<s>
Rocket	B-Application
League	I-Application
is	O
a	O
vehicular	O
soccer	B-Application
video	O
game	O
developed	O
and	O
published	O
by	O
Psyonix	O
.	O
</s>
<s>
The	O
game	O
was	O
first	O
released	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Windows	O
in	O
July	O
2015	O
,	O
with	O
ports	O
for	O
Xbox	B-Device
One	I-Device
and	O
Nintendo	B-Application
Switch	I-Application
being	O
released	O
later	O
on	O
.	O
</s>
<s>
In	O
June	O
2016	O
,	O
505	O
Games	O
began	O
distributing	O
a	O
physical	O
retail	O
version	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
,	O
with	O
Warner	O
Bros	O
.	O
Interactive	O
Entertainment	O
taking	O
over	O
those	O
duties	O
by	O
the	O
end	O
of	O
2017	O
.	O
</s>
<s>
Versions	O
for	O
macOS	B-Application
and	O
Linux	B-Application
were	O
also	O
released	O
in	O
2016	O
,	O
but	O
support	O
for	O
their	O
online	O
services	O
were	O
dropped	O
in	O
2020	O
.	O
</s>
<s>
Described	O
as	O
"	O
soccer	B-Application
,	O
but	O
with	O
rocket-powered	O
cars	O
"	O
,	O
Rocket	B-Application
League	I-Application
has	O
up	O
to	O
eight	O
players	O
assigned	O
to	O
each	O
of	O
the	O
two	O
teams	O
,	O
using	O
rocket-powered	O
vehicles	O
to	O
hit	O
a	O
ball	O
into	O
their	O
opponent	O
's	O
goal	O
and	O
score	O
points	O
over	O
the	O
course	O
of	O
a	O
match	O
.	O
</s>
<s>
The	O
game	O
includes	O
single-player	O
and	O
multiplayer	O
modes	O
that	O
can	O
be	O
played	O
both	O
locally	O
and	O
online	O
,	O
including	O
cross-platform	B-Application
play	I-Application
between	O
all	O
versions	O
.	O
</s>
<s>
Later	O
updates	O
for	O
the	O
game	O
enabled	O
the	O
ability	O
to	O
modify	O
core	O
rules	O
and	O
added	O
new	O
game	O
modes	O
,	O
including	O
ones	O
based	O
on	O
ice	B-Application
hockey	I-Application
and	O
basketball	B-Application
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
is	O
a	O
sequel	O
to	O
Psyonix	O
's	O
Supersonic	B-Application
Acrobatic	I-Application
Rocket-Powered	I-Application
Battle-Cars	I-Application
,	O
a	O
2008	O
video	O
game	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
Psyonix	O
began	O
formal	O
development	O
of	O
Rocket	B-Application
League	I-Application
around	O
2013	O
,	O
refining	O
the	O
gameplay	O
from	O
Battle-Cars	O
to	O
address	O
criticism	O
and	O
fan	O
input	O
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
was	O
praised	O
for	O
its	O
gameplay	O
improvements	O
over	O
Supersonic	O
Acrobatic	O
Rocket	O
Powered	O
Battle-Cars	O
,	O
as	O
well	O
as	O
its	O
graphics	O
and	O
overall	O
presentation	O
,	O
although	O
some	O
criticism	O
was	O
directed	O
towards	O
the	O
game	O
's	O
physics	O
engine	O
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
has	O
also	O
been	O
adopted	O
as	O
an	O
esport	O
,	O
with	O
professional	O
players	O
participating	O
through	O
ESL	O
and	O
Major	O
League	O
Gaming	O
along	O
with	O
Psyonix	O
's	O
own	O
Rocket	B-Application
League	I-Application
Championship	O
Series	O
(	O
RLCS	O
)	O
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
gameplay	O
is	O
largely	O
the	O
same	O
as	O
that	O
of	O
its	O
predecessor	O
,	O
Supersonic	B-Application
Acrobatic	I-Application
Rocket-Powered	I-Application
Battle-Cars	I-Application
.	O
</s>
<s>
Players	O
control	O
a	O
rocket-powered	O
car	O
and	O
use	O
it	O
to	O
hit	O
a	O
ball	O
that	O
is	O
much	O
larger	O
than	O
the	O
cars	O
towards	O
the	O
other	O
team	O
's	O
goal	O
area	O
to	O
score	O
goals	O
,	O
in	O
a	O
way	O
that	O
resembles	O
indoor	O
soccer	B-Application
,	O
with	O
elements	O
reminiscent	O
of	O
a	O
demolition	B-Application
derby	I-Application
.	O
</s>
<s>
The	O
latter	O
serves	O
as	O
Rocket	B-Application
League	I-Application
competitive	O
online	O
mode	O
,	O
where	O
players	O
compete	O
in	O
various	O
tiered	O
ranks	O
within	O
game	O
seasons	O
,	O
with	O
victories	O
or	O
losses	O
raising	O
or	O
lowering	O
a	O
player	O
's	O
rank	O
,	O
respectively	O
.	O
</s>
<s>
Positive	O
reception	O
to	O
the	O
ice	B-Application
hockey	I-Application
mode	O
led	O
to	O
it	O
being	O
extended	O
for	O
a	O
few	O
weeks	O
after	O
the	O
holiday	O
season	O
.	O
</s>
<s>
Hoops	O
,	O
a	O
game	O
mode	O
based	O
on	O
basketball	B-Application
,	O
was	O
added	O
on	O
April	O
25	O
,	O
2016	O
.	O
</s>
<s>
An	O
update	O
in	O
December	O
2016	O
,	O
known	O
as	O
Starbase	O
ARC	O
and	O
based	O
on	O
Psyonix	O
 '	O
mobile	B-Application
game	I-Application
ARC	B-Application
Squadron	I-Application
,	O
added	O
support	O
for	O
custom	O
arenas	O
for	O
Windows	O
players	O
supported	O
through	O
Steam	B-Application
Workshop	O
,	O
along	O
with	O
other	O
new	O
content	O
.	O
</s>
<s>
In	O
celebration	O
of	O
Super	O
Bowl	O
LV	O
in	O
February	O
2021	O
,	O
Psyonix	O
released	O
a	O
limited	O
time	O
gamemode	O
called	O
Gridiron	O
,	O
which	O
functions	O
similar	O
to	O
gridiron	O
football	O
with	O
the	O
normal	O
soccer	B-Application
ball	O
being	O
replaced	O
by	O
a	O
football	O
.	O
</s>
<s>
As	O
part	O
of	O
a	O
means	O
to	O
monetize	O
the	O
game	O
beyond	O
downloadable	B-Protocol
content	I-Protocol
,	O
Psyonix	O
has	O
tried	O
a	O
few	O
different	O
approaches	O
.	O
</s>
<s>
Each	O
pass	O
,	O
which	O
lasts	O
a	O
few	O
months	O
,	O
has	O
challenges	O
and	O
other	O
opportunities	O
through	O
playing	O
Rocket	B-Application
League	I-Application
that	O
allow	O
players	O
to	O
increase	O
the	O
tier	O
of	O
the	O
Pass	O
,	O
from	O
which	O
new	O
unique	O
customization	O
options	O
tied	O
to	O
that	O
pass	O
can	O
be	O
unlocked	O
.	O
</s>
<s>
Its	O
mobile	B-Application
game	I-Application
version	O
,	O
Rocket	B-Application
League	I-Application
Sideswipe	O
,	O
plays	O
almost	O
the	O
same	O
,	O
except	O
the	O
game	O
is	O
now	O
in	O
2D	O
instead	O
of	O
3D	O
.	O
</s>
<s>
Psyonix	O
had	O
previously	O
developed	O
Supersonic	B-Application
Acrobatic	I-Application
Rocket-Powered	I-Application
Battle-Cars	I-Application
in	O
2008	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
That	O
game	O
itself	O
bore	O
out	O
from	O
previous	O
modifications	O
that	O
Psyonix	O
 '	O
founder	O
,	O
Dave	O
Hagewood	O
,	O
had	O
done	O
for	O
Unreal	B-Application
Tournament	I-Application
2003	I-Application
by	O
expanding	O
out	O
vehicle-based	O
gameplay	O
that	O
Epic	O
Games	O
had	O
already	O
set	O
in	O
place	O
in	O
the	O
engine	O
into	O
a	O
new	O
game	O
mode	O
called	O
Onslaught	O
.	O
</s>
<s>
For	O
this	O
,	O
Hagewood	O
was	O
hired	O
as	O
a	O
contractor	O
by	O
Epic	O
for	O
Unreal	B-Application
Tournament	I-Application
2004	I-Application
specifically	O
for	O
incorporating	O
the	O
Onslaught	O
mode	O
as	O
an	O
official	O
part	O
of	O
the	O
game	O
.	O
</s>
<s>
As	O
Psyonix	O
finished	O
development	O
of	O
Battle-Cars	O
,	O
the	O
studio	O
had	O
tried	O
to	O
gain	O
access	O
to	O
a	O
publisher	O
by	O
selling	O
their	O
game	O
as	O
"	O
soccer	B-Application
,	O
but	O
with	O
rocket-powered	O
cars	O
"	O
;	O
none	O
of	O
the	O
publishers	O
seemed	O
interested	O
.	O
</s>
<s>
Ultimately	O
,	O
they	O
opted	O
to	O
self-publish	O
the	O
game	O
on	O
the	O
PlayStation	B-Device
Network	I-Device
with	O
almost	O
no	O
marketing	O
.	O
</s>
<s>
These	O
other	O
projects	O
,	O
which	O
including	O
contract	O
work	O
for	O
AAA	O
games	O
,	O
including	O
Mass	B-Application
Effect	I-Application
3	I-Application
and	O
Gears	B-Application
of	I-Application
War	I-Application
,	O
helped	O
to	O
fund	O
the	O
development	O
of	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
Full	O
development	O
of	O
Rocket	B-Application
League	I-Application
started	O
around	O
2013	O
and	O
took	O
around	O
two	O
years	O
and	O
under	O
$2	O
million	O
to	O
develop	O
,	O
though	O
they	O
had	O
tested	O
various	O
prototypes	O
of	O
a	O
Battle-Cars	O
sequel	O
in	O
the	O
years	O
prior	O
,	O
including	O
an	O
unsuccessful	O
attempt	O
at	O
pitching	O
the	O
game	O
's	O
idea	O
to	O
Electronic	O
Arts	O
in	O
2011	O
.	O
</s>
<s>
Psyonix	O
used	O
some	O
of	O
the	O
feedback	O
from	O
Battle-Cars	O
to	O
fine-tune	O
the	O
gameplay	O
in	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
They	O
also	O
explored	O
other	O
changes	O
such	O
as	O
making	O
the	O
game	O
more	O
gritty	O
,	O
akin	O
to	O
Monday	B-Application
Night	I-Application
Combat	I-Application
,	O
developing	O
several	O
mini-games	O
related	O
to	O
handling	O
of	O
the	O
car	O
,	O
working	O
on	O
making	O
the	O
graphics	O
give	O
a	O
sense	O
of	O
scale	O
to	O
the	O
players	O
to	O
give	O
the	O
impression	O
they	O
were	O
controlling	O
full-sized	O
vehicles	O
rather	O
than	O
radio-controlled	O
cars	O
,	O
and	O
creating	O
an	O
open	O
world	O
structure	O
where	O
the	O
player	O
would	O
drive	O
between	O
stadium	O
and	O
stadium	O
to	O
participate	O
in	O
matches	O
.	O
</s>
<s>
From	O
Battle-Cars	O
,	O
Psyonix	O
recognized	O
very	O
few	O
players	O
actually	O
went	O
online	O
,	O
and	O
developed	O
Rocket	B-Application
League	I-Application
single-player	O
season	O
mode	O
to	O
encourage	O
players	O
to	O
try	O
online	O
matches	O
once	O
they	O
completed	O
it	O
.	O
</s>
<s>
Psyonix	O
's	O
team	O
were	O
aware	O
of	O
past	O
difficulties	O
that	O
they	O
had	O
with	O
Battle-Cars	O
and	O
other	O
racing	O
games	O
with	O
online	O
play	O
and	O
client-side	O
prediction	O
,	O
and	O
the	O
issues	O
that	O
would	O
arise	O
from	O
that	O
with	O
Rocket	B-Application
League	I-Application
fast-paced	O
play	O
style	O
.	O
</s>
<s>
To	O
solve	O
this	O
,	O
the	O
physics	O
in	O
the	O
game	O
are	O
based	O
on	O
using	O
the	O
Bullet	B-Application
physics	I-Application
engine	I-Application
within	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
3	O
's	O
PhysX	B-Operating_System
engine	O
,	O
which	O
tracks	O
the	O
movement	O
of	O
all	O
the	O
cars	O
and	O
actors	O
,	O
allowing	O
them	O
to	O
periodically	O
re-synchronize	O
the	O
game	O
state	O
across	O
players	O
based	O
on	O
the	O
stored	O
physics	O
states	O
,	O
which	O
enabled	O
players	O
to	O
have	O
quick	O
reactions	O
from	O
their	O
client	O
.	O
</s>
<s>
With	O
Rocket	B-Application
League	I-Application
,	O
Psyonix	O
was	O
able	O
to	O
put	O
a	O
dedicated	O
server	O
network	O
in	O
place	O
,	O
writing	O
their	O
own	O
service	O
protocols	O
to	O
interface	O
with	O
Sony	O
's	O
and	O
Valve	O
's	O
online	O
services	O
so	O
as	O
to	O
enable	O
cross-platform	B-Application
play	I-Application
,	O
as	O
well	O
as	O
improving	O
matchmaking	O
capabilities	O
.	O
</s>
<s>
Psyonix	O
's	O
previous	O
experience	O
in	O
contract	O
work	O
for	O
AAA	O
games	O
had	O
exposed	O
them	O
to	O
the	O
larger	O
developers	O
 '	O
approach	O
to	O
release	O
and	O
quality	O
control	O
,	O
and	O
they	O
were	O
able	O
to	O
apply	O
those	O
principles	O
and	O
aim	O
for	O
the	O
same	O
level	O
of	O
quality	O
requirements	O
in	O
the	O
final	O
release	O
of	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
Psyonix	O
had	O
at	O
one	O
point	O
considered	O
having	O
Rocket	B-Application
League	I-Application
as	O
a	O
free-to-play	O
game	O
with	O
microtransactions	O
,	O
inspired	O
by	O
Team	B-Application
Fortress	I-Application
2	I-Application
and	O
Dota	B-Application
2	I-Application
models	O
.	O
</s>
<s>
Though	O
they	O
had	O
put	O
in	O
efforts	O
to	O
establish	O
a	O
free-to-play	O
model	O
,	O
Psyonix	O
decided	O
instead	O
to	O
switch	O
to	O
a	O
traditional	O
sale	O
method	O
,	O
and	O
offer	O
only	O
cosmetic	O
elements	O
as	O
downloadable	B-Protocol
content	I-Protocol
,	O
assuring	O
that	O
no	O
players	O
would	O
have	O
any	O
additional	O
advantage	O
beyond	O
their	O
own	O
skill	O
.	O
</s>
<s>
The	O
name	O
Rocket	B-Application
League	I-Application
was	O
selected	O
in	O
part	O
to	O
reduce	O
the	O
size	O
of	O
the	O
game	O
's	O
title	O
in	O
order	O
to	O
appear	O
fully	O
in	O
digital	O
storefronts	O
,	O
and	O
also	O
served	O
to	O
be	O
an	O
easier	O
to	O
remember	O
name	O
as	O
well	O
as	O
a	O
more	O
mature-sounding	O
title	O
than	O
Battle-Cars	O
,	O
according	O
to	O
Hagewood	O
;	O
speaking	O
on	O
Rocket	B-Application
League	I-Application
development	O
in	O
March	O
2016	O
,	O
Davis	O
opined	O
that	O
Supersonic	B-Application
Acrobatic	I-Application
Rocket-Powered	I-Application
Battle-Cars	I-Application
was	O
"	O
the	O
worst	O
game	O
name	O
of	O
all	O
time	O
"	O
.	O
</s>
<s>
In	O
April	O
2021	O
,	O
company	O
announced	O
that	O
they	O
would	O
release	O
Rocket	B-Application
League	I-Application
Sideswipe	O
for	O
iOS	B-Application
and	O
Android	B-Application
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
has	O
been	O
one	O
of	O
the	O
leading	O
games	O
in	O
supporting	O
cross-platform	B-Application
play	I-Application
between	O
personal	O
computers	O
and	O
consoles	O
.	O
</s>
<s>
Jeremy	O
Dunham	O
,	O
Psyonix	O
's	O
vice	O
president	O
of	O
publishing	O
,	O
says	O
cross-platform	B-Application
play	I-Application
helps	O
establish	O
a	O
stable	O
player	O
base	O
and	O
avoid	O
the	O
snowball	O
effect	O
that	O
can	O
cause	O
isolated	O
player	O
bases	O
on	O
individual	O
platforms	O
to	O
wane	O
,	O
particularly	O
in	O
the	O
transition	O
from	O
one	O
console	O
generation	O
to	O
the	O
next	O
.	O
</s>
<s>
Though	O
the	B-Device
Xbox	I-Device
One	I-Device
version	O
lacked	O
this	O
feature	O
at	O
launch	O
,	O
Microsoft	O
in	O
March	O
2016	O
announced	O
that	O
Rocket	B-Application
League	I-Application
would	O
be	O
the	O
first	O
game	O
in	O
a	O
new	O
initiative	O
they	O
were	O
taking	O
to	O
enable	O
cross-play	O
between	O
Windows	O
and	O
Xbox	B-Device
One	I-Device
players	O
who	O
have	O
Xbox	B-Device
Live	O
accounts	O
;	O
this	O
cross-platform	B-Application
play	I-Application
feature	O
was	O
added	O
in	O
an	O
update	O
in	O
May	O
2016	O
.	O
</s>
<s>
Microsoft	O
has	O
stated	O
that	O
they	O
offer	O
other	O
networks	O
,	O
such	O
as	O
Sony	O
's	O
PlayStation	B-Device
Network	I-Device
,	O
the	O
ability	O
to	O
integrate	O
with	O
Xbox	B-Device
Live	O
to	O
allow	O
full	O
cross-platform	B-Operating_System
compatibility	O
for	O
games	O
like	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
Dunham	O
noted	O
that	O
this	O
cross-platform	B-Operating_System
idea	O
had	O
been	O
something	O
they	O
asked	O
Microsoft	O
about	O
when	O
Rocket	B-Application
League	I-Application
was	O
set	O
for	O
an	O
Xbox	B-Device
One	I-Device
release	O
,	O
but	O
he	O
stated	O
that	O
Microsoft	O
did	O
not	O
seem	O
to	O
be	O
on	O
board	O
with	O
it	O
.	O
</s>
<s>
Psyonix	O
determined	O
the	O
required	O
technical	O
steps	O
needed	O
to	O
enable	O
cross-platform	B-Application
play	I-Application
and	O
have	O
tested	O
it	O
in	O
closed	O
environments	O
,	O
and	O
were	O
only	O
waiting	O
for	O
the	O
legalities	O
of	O
cross-connecting	O
players	O
between	O
different	O
networks	O
before	O
proceeding	O
.	O
</s>
<s>
In	O
a	O
July	O
2016	O
interview	O
with	O
IGN	O
,	O
Dunham	O
stated	O
they	O
had	O
done	O
all	O
the	O
technical	O
work	O
and	O
could	O
enable	O
cross-platform	B-Application
play	I-Application
between	O
the	B-Device
Xbox	I-Device
One	I-Device
and	O
PlayStation	B-Operating_System
4	I-Operating_System
versions	O
"	O
within	O
a	O
few	O
hours	O
"	O
of	O
Sony	O
's	O
approval	O
.	O
</s>
<s>
With	O
the	O
announcement	O
of	O
the	O
Switch	O
version	O
,	O
Psyonix	O
affirmed	O
that	O
it	O
would	O
support	O
cross-platform	B-Application
play	I-Application
with	O
PC	O
and	O
Xbox	B-Device
users	O
.	O
</s>
<s>
Dunham	O
says	O
that	O
in	O
contrast	O
to	O
Microsoft	O
or	O
Nintendo	O
,	O
who	O
agreed	O
to	O
allow	O
cross-platform	B-Application
play	I-Application
within	O
a	O
month	O
and	O
with	O
the	O
day	O
of	O
Psyonix	O
 '	O
request	O
,	O
respectively	O
,	O
Sony	O
has	O
been	O
asked	O
on	O
a	O
nearly	O
daily	O
basis	O
about	O
this	O
support	O
and	O
have	O
yet	O
to	O
receive	O
any	O
definitive	O
answer	O
.	O
</s>
<s>
The	O
cross-platform	B-Operating_System
party	O
feature	O
is	O
planned	O
for	O
an	O
update	O
in	O
early	O
2019	O
.	O
</s>
<s>
This	O
is	O
limited	O
by	O
the	O
current	O
cross-platform	B-Operating_System
limitations	O
:	O
while	O
Windows	O
players	O
can	O
add	O
friends	O
from	O
other	O
Windows	O
users	O
and	O
Xbox	B-Device
One	I-Device
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Switch	O
users	O
,	O
PlayStation	B-Operating_System
4	I-Operating_System
users	O
are	O
limited	O
to	O
Windows	O
and	O
PlayStation	B-Operating_System
4	I-Operating_System
users	O
.	O
</s>
<s>
In	O
September	O
2018	O
,	O
Sony	O
had	O
altered	O
its	O
position	O
on	O
cross-platform	B-Application
play	I-Application
following	O
the	O
release	O
of	O
Fortnite	B-Application
Battle	I-Application
Royale	I-Application
for	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
where	O
the	O
lack	O
of	O
cross-platform	B-Application
play	I-Application
had	O
been	O
a	O
point	O
of	O
significant	O
criticism	O
.	O
</s>
<s>
Sony	O
allowed	O
Fortnite	O
to	O
be	O
cross-platform	B-Application
play	I-Application
compatible	O
with	O
all	O
platforms	O
and	O
stated	O
they	O
would	O
review	O
other	O
games	O
on	O
a	O
case-by-case	O
basis	O
.	O
</s>
<s>
By	O
January	O
2019	O
,	O
Psyonix	O
announced	O
that	O
Sony	O
had	O
granted	O
the	O
same	O
for	O
Rocket	B-Application
League	I-Application
,	O
allowing	O
cross-platform	B-Application
play	I-Application
between	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
One	I-Device
,	O
Switch	O
,	O
and	O
PC	O
versions	O
in	O
February	O
2019	O
.	O
</s>
<s>
Psyonix	O
planned	O
to	O
continue	O
to	O
support	O
Rocket	B-Application
League	I-Application
with	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
,	O
intending	O
to	O
keep	O
all	O
gameplay	O
updates	O
free	O
and	O
only	O
charging	O
for	O
cosmetic	O
items	O
.	O
</s>
<s>
In	O
April	O
2016	O
,	O
the	O
developers	O
added	O
the	O
basketball-based	O
playlist	O
to	O
the	O
standard	O
playlists	O
.	O
</s>
<s>
The	O
game	O
's	O
first	O
DLC	B-Protocol
pack	O
,	O
titled	O
Supersonic	O
Fury	O
,	O
was	O
released	O
in	O
August	O
2015	O
,	O
along	O
with	O
new	O
arena	O
Utopia	O
Coliseum	O
.	O
</s>
<s>
The	O
same	O
month	O
,	O
it	O
was	O
announced	O
that	O
Rocket	B-Application
League	I-Application
would	O
be	O
ported	O
to	O
macOS	B-Application
and	O
Linux	B-Application
later	O
that	O
year	O
,	O
in	O
order	O
to	O
run	O
natively	O
with	O
SteamOS	B-Application
hardware	O
;	O
Rocket	B-Application
League	I-Application
and	O
Portal	B-Application
2	I-Application
were	O
part	O
of	O
incentives	O
for	O
those	O
that	O
pre-ordered	O
a	O
Steam	B-Application
Link	O
,	O
a	O
Steam	B-Device
Controller	I-Device
,	O
or	O
a	O
Steam	B-Device
Machine	I-Device
.	O
</s>
<s>
The	O
game	O
's	O
second	O
DLC	B-Protocol
pack	O
,	O
titled	O
Revenge	O
of	O
the	O
Battle-Cars	O
,	O
was	O
released	O
in	O
October	O
2015	O
.	O
</s>
<s>
The	O
DLC	B-Protocol
adds	O
two	O
more	O
cars	O
from	O
Supersonic	B-Application
Acrobatic	I-Application
Rocket-Powered	I-Application
Battle-Cars	I-Application
,	O
along	O
with	O
exclusive	O
cosmetics	O
for	O
both	O
.	O
</s>
<s>
In	O
another	O
event	O
,	O
players	O
had	O
a	O
chance	O
to	O
collect	O
six	O
Halloween-themed	O
items	O
from	O
October	O
18	O
to	O
November	O
2	O
.	O
</s>
<s>
The	O
game	O
's	O
third	O
DLC	B-Protocol
pack	O
,	O
titled	O
Chaos	O
Run	O
,	O
was	O
released	O
in	O
December	O
2015	O
.	O
</s>
<s>
The	O
DLC	B-Protocol
added	O
two	O
more	O
cars	O
,	O
along	O
with	O
more	O
cosmetics	O
.	O
</s>
<s>
A	O
new	O
arena	O
,	O
called	O
"	O
Wasteland	O
"	O
,	O
was	O
released	O
for	O
free	O
alongside	O
the	O
DLC	B-Protocol
.	O
</s>
<s>
The	O
map	O
is	O
notable	O
for	O
being	O
the	O
first	O
non-standard	O
arena	O
to	O
be	O
released	O
,	O
having	O
a	O
different	O
size	O
and	O
shape	O
than	O
the	O
others	O
and	O
inspired	O
by	O
the	O
Mad	B-Device
Max	I-Device
films	O
,	O
the	O
first	O
of	O
which	O
Psyonix	O
plans	O
to	O
release	O
over	O
time	O
.	O
</s>
<s>
Psyonix	O
added	O
the	O
ability	O
for	O
players	O
to	O
trade	O
items	O
with	O
other	O
players	O
within	O
the	O
"	O
Rumble	O
"	O
update	O
,	O
including	O
item	O
and	O
crate	O
drop	O
systems	O
comparable	O
to	O
Team	B-Application
Fortress	I-Application
2	I-Application
and	O
Counter-Strike	B-Application
:	I-Application
Global	I-Application
Offensive	I-Application
,	O
in	O
which	O
players	O
have	O
the	O
chance	O
to	O
gain	O
locked	O
crates	O
from	O
playing	O
in	O
competitive	O
matches	O
.	O
</s>
<s>
On	O
launch	O
,	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
version	O
included	O
Sweet	O
Tooth	O
's	O
car	O
from	O
the	O
Twisted	B-Application
Metal	I-Application
series	O
.	O
</s>
<s>
As	O
a	O
separate	O
DLC	B-Protocol
,	O
the	O
DeLorean	O
time	O
machine	O
from	O
the	O
Back	O
to	O
the	O
Future	O
film	O
franchise	O
,	O
was	O
released	O
on	O
October	O
21	O
,	O
2015	O
,	O
corresponding	O
with	O
Back	O
to	O
the	O
Future	O
Day	O
.	O
</s>
<s>
The	B-Device
Xbox	I-Device
One	I-Device
release	O
includes	O
platform-exclusive	O
Gears	B-Application
of	I-Application
War	I-Application
and	O
Halo-themed	O
vehicles	O
.	O
</s>
<s>
Alongside	O
the	O
theatrical	O
release	O
of	O
Jurassic	O
World	O
:	O
Fallen	O
Kingdom	O
,	O
Psyonix	O
released	O
Jurassic	B-Application
Park	I-Application
and	O
Jurassic	O
World-themed	O
content	O
,	O
including	O
a	O
Jurassic	O
Park-themed	O
Jeep	O
Wrangler	O
car	O
model	O
.	O
</s>
<s>
In	O
September	O
2015	O
,	O
Psyonix	O
held	O
a	O
cross-promotion	O
with	O
Torn	O
Banner	O
Studios	O
,	O
adding	O
two	O
free	O
new	O
flags	O
themed	O
after	O
Torn	O
Banner	O
's	O
Chivalry	B-Application
:	I-Application
Medieval	I-Application
Warfare	I-Application
.	O
</s>
<s>
At	O
the	O
same	O
time	O
the	O
"	O
Chaos	O
Run	O
"	O
DLC	B-Protocol
was	O
released	O
,	O
Psyonix	O
added	O
free	O
cosmetics	O
and	O
accessories	O
from	O
the	O
Portal	B-Application
series	O
by	O
Valve	O
.	O
</s>
<s>
Themed	O
content	O
based	O
on	O
Goat	B-Application
Simulator	I-Application
and	O
Euro	B-Application
Truck	I-Application
Simulator	I-Application
were	O
added	O
to	O
the	O
game	O
in	O
April	O
2016	O
as	O
part	O
of	O
cross-promotional	O
deals	O
with	O
those	O
games	O
.	O
</s>
<s>
Other	O
themed	O
promotional	O
content	O
includes	O
decorative	O
items	O
based	O
on	O
The	B-Application
Witcher	I-Application
and	O
Worms	O
W.M.D.	O
</s>
<s>
With	O
the	O
release	O
of	O
the	O
basketball	B-Application
game	O
mode	O
in	O
2016	O
,	O
Psyonix	O
partnered	O
with	O
the	O
National	O
Basketball	B-Application
Association	O
(	O
NBA	O
)	O
,	O
offering	O
flags	O
with	O
all	O
30	O
NBA	O
team	O
logos	O
as	O
car	O
customization	O
items	O
.	O
</s>
<s>
In	O
February	O
2017	O
,	O
two	O
iconic	O
Hot	B-Device
Wheels	I-Device
cars	O
were	O
added	O
to	O
the	O
game	O
,	O
along	O
with	O
other	O
cosmetic	O
items	O
based	O
on	O
the	O
brand	O
.	O
</s>
<s>
For	O
the	O
2019	O
Radical	O
Summer	O
event	O
,	O
Psyonix	O
released	O
two	O
new	O
car	O
packs	O
;	O
the	O
Ecto-1	O
from	O
the	O
Ghostbusters	B-Operating_System
film	O
franchise	O
in	O
June	O
,	O
and	O
the	O
KITT	O
from	O
the	O
1980s	O
television	O
series	O
Knight	O
Rider	O
in	O
July	O
.	O
</s>
<s>
For	O
the	O
2019	O
Halloween	B-Application
event	O
,	O
cars	O
and	O
other	O
cosmetics	O
based	O
on	O
the	O
television	O
series	O
Stranger	O
Things	O
were	O
added	O
.	O
</s>
<s>
The	O
modes	O
include	O
Dropshot	O
Rumble	O
,	O
Beach	O
Ball	O
,	O
Boomer	O
Ball	O
,	O
and	O
Heatseeker	O
,	O
which	O
features	O
a	O
curving	O
ball	O
that	O
magnetizes	O
toward	O
both	O
ends	O
of	O
the	O
field	O
,	O
drawing	O
comparisons	O
to	O
the	O
1972	O
table	O
tennis	O
sports	O
game	O
Pong	B-Application
.	O
</s>
<s>
The	O
original	O
soundtrack	O
for	O
Rocket	B-Application
League	I-Application
was	O
released	O
both	O
physically	O
and	O
digitally	O
on	O
July	O
1	O
,	O
2015	O
.	O
</s>
<s>
The	O
label	O
have	O
also	O
released	O
a	O
series	O
of	O
standalone	O
albums	O
featuring	O
the	O
music	O
,	O
titled	O
Rocket	B-Application
League	I-Application
x	O
Monstercat	O
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
Sideswipe	O
is	O
a	O
free	O
mobile	B-Application
game	I-Application
spin-off	O
by	O
Psyonix	O
released	O
on	O
Android	B-Application
and	O
iOS	B-Application
in	O
late	O
2021	O
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
was	O
officially	O
announced	O
as	O
the	O
sequel	O
to	O
Battle-Cars	O
in	O
February	O
2014	O
.	O
</s>
<s>
Building	O
on	O
the	O
effects	O
from	O
the	O
lack	O
of	O
marketing	O
with	O
Battle-Cars	O
,	O
Psyonix	O
developed	O
a	O
different	O
marketing	O
approach	O
to	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
This	O
included	O
engaging	O
with	O
YouTube	B-General_Concept
and	O
Twitch	O
video	O
game	O
streamers	O
with	O
early	O
release	O
copies	O
to	O
help	O
spread	O
the	O
word	O
,	O
recognizing	O
that	O
clips	O
from	O
the	O
game	O
would	O
be	O
readily	O
shared	O
through	O
social	O
media	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
publicly	O
on	O
July	O
7	O
,	O
2015	O
,	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
Windows	O
.	O
</s>
<s>
Further	O
,	O
the	O
game	O
on	O
release	O
was	O
made	O
part	O
of	O
Instant	O
Game	O
Collection	O
on	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
free	O
to	O
PlayStation	O
Plus	O
subscribers	O
;	O
within	O
the	O
week	O
,	O
Psyonix	O
had	O
seen	O
more	O
than	O
183,000	O
unique	O
players	O
,	O
exceeding	O
their	O
server	O
capacity	O
and	O
requiring	O
them	O
to	O
improve	O
on	O
their	O
network	O
code	O
to	O
handle	O
the	O
influx	O
of	O
players	O
.	O
</s>
<s>
At	O
The	O
Game	O
Awards	O
2015	O
,	O
it	O
was	O
announced	O
that	O
the	O
game	O
would	O
be	O
ported	O
to	O
Xbox	B-Device
One	I-Device
,	O
where	O
it	O
was	O
released	O
on	O
February	O
17	O
,	O
including	O
most	O
of	O
the	O
previous	O
DLC	B-Protocol
packs	O
for	O
free	O
.	O
</s>
<s>
Ports	O
for	O
macOS	B-Application
and	O
Linux	B-Application
were	O
released	O
on	O
September	O
8	O
,	O
2016	O
.	O
</s>
<s>
A	O
retail	O
version	O
of	O
Rocket	B-Application
League	I-Application
,	O
in	O
form	O
of	O
the	O
game	O
's	O
Collector	O
's	O
Edition	O
,	O
was	O
announced	O
in	O
February	O
2016	O
,	O
and	O
was	O
released	O
in	O
Europe	O
on	O
June	O
24	O
,	O
2016	O
,	O
and	O
in	O
North	O
America	O
on	O
July	O
5	O
,	O
2016	O
.	O
</s>
<s>
The	O
Collector	O
's	O
Edition	O
is	O
published	O
and	O
distributed	O
by	O
505	O
Games	O
,	O
and	O
includes	O
the	O
first	O
three	O
downloadable	B-Protocol
content	I-Protocol
packs	O
for	O
free	O
,	O
as	O
well	O
as	O
four	O
additional	O
cars	O
to	O
be	O
available	O
as	O
digital	O
download	O
on	O
July	O
18	O
:	O
Aftershock	O
and	O
Marauder	O
(	O
both	O
from	O
Supersonic	B-Application
Acrobatic	I-Application
Rocket-Powered	I-Application
Battle-Cars	I-Application
)	O
,	O
as	O
well	O
as	O
Esper	O
and	O
Masamune	O
.	O
</s>
<s>
In	O
October	O
2017	O
,	O
Psyonix	O
announced	O
that	O
Warner	O
Bros	O
.	O
Interactive	O
Entertainment	O
would	O
begin	O
to	O
publish	O
an	O
updated	O
version	O
of	O
the	O
game	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
consoles	O
by	O
the	O
end	O
of	O
that	O
year	O
,	O
which	O
includes	O
additional	O
content	O
for	O
both	O
versions	O
.	O
</s>
<s>
The	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
version	O
was	O
patched	O
in	O
February	O
2017	O
to	O
offer	O
PlayStation	B-Device
4	I-Device
Pro	I-Device
support	O
,	O
allowing	O
for	O
4K	B-Architecture
resolution	I-Architecture
and	O
constant	O
60	O
frames-per-second	O
rendering	O
at	O
1080p	O
for	O
one	O
and	O
two-player	O
split-screen	O
players	O
;	O
three	O
and	O
four-player	O
split	O
screen	O
will	O
render	O
up	O
to	O
60	O
frames-per-second	O
when	O
possible	O
.	O
</s>
<s>
Similar	O
rendering	O
improvements	O
were	O
also	O
made	O
to	O
the	O
standard	O
PlayStation	B-Operating_System
4	I-Operating_System
to	O
approach	O
constant	O
60	O
frames-per-second	O
for	O
most	O
arenas	O
and	O
modes	O
.	O
</s>
<s>
After	O
reviewing	O
the	O
feasibility	O
of	O
doing	O
so	O
,	O
Psyonix	O
announced	O
that	O
Rocket	B-Application
League	I-Application
would	O
also	O
be	O
released	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
as	O
revealed	O
during	O
Nintendo	O
's	O
press	O
conference	O
during	O
E3	O
2017	O
.	O
</s>
<s>
It	O
was	O
released	O
later	O
that	O
year	O
on	O
November	O
14	O
,	O
and	O
includes	O
Nintendo	O
property	O
customization	O
options	O
,	O
including	O
Mario	B-Application
,	O
Luigi	O
,	O
and	O
Metroid-inspired	O
car	O
designs	O
,	O
and	O
supports	O
cross-platform	B-Application
play	I-Application
with	O
the	O
PC	O
and	O
Xbox	B-Device
One	I-Device
versions	O
.	O
</s>
<s>
Due	O
to	O
the	O
Switch	O
's	O
lack	O
of	O
natural	O
support	O
for	O
Unreal	B-Operating_System
Engine	I-Operating_System
3	O
,	O
some	O
compromises	O
had	O
to	O
be	O
made	O
in	O
the	O
porting	O
process	O
,	O
such	O
as	O
by	O
reducing	O
the	O
graphical	O
quality	O
to	O
720p	O
.	O
</s>
<s>
Austin	O
,	O
Texas-based	O
studio	O
Panic	O
Button	O
assisted	O
Psyonix	O
with	O
the	B-Device
Xbox	I-Device
One	I-Device
and	O
Nintendo	B-Application
Switch	I-Application
ports	O
,	O
and	O
graphical	O
updates	O
to	O
support	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
Pro	O
.	O
</s>
<s>
In	O
April	O
2017	O
,	O
Psyonix	O
announced	O
that	O
they	O
had	O
partnered	O
with	O
Tencent	O
to	O
bring	O
a	O
free-to-play	O
version	O
of	O
Rocket	B-Application
League	I-Application
to	O
the	O
Chinese	O
gaming	O
market	O
,	O
with	O
users	O
able	O
to	O
purchase	O
cosmetic	O
items	O
through	O
microtransactions	O
.	O
</s>
<s>
A	O
small	O
team	O
within	O
Psyonix	O
was	O
set	O
up	O
to	O
explore	O
new	O
features	O
and	O
gameplay	O
ideas	O
to	O
continue	O
to	O
expand	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
Psyonix	O
has	O
had	O
a	O
long-standing	O
relationship	O
with	O
the	O
studio	O
(	O
its	O
original	O
North	O
Carolina	O
headquarters	O
were	O
only	O
12	O
miles	O
(	O
19km	O
)	O
away	O
from	O
those	O
of	O
Epic	O
)	O
,	O
having	O
worked	O
with	O
it	O
on	O
development	O
tools	O
for	O
the	O
Unreal	B-Operating_System
Engine	I-Operating_System
.	O
</s>
<s>
The	O
game	O
became	O
subject	O
to	O
review	O
bombing	O
on	O
Steam	B-Application
due	O
to	O
this	O
sale	O
,	O
triggering	O
Steam	B-Application
's	O
"	O
off-topic	O
review	O
activity	O
"	O
system	O
,	O
which	O
hides	O
reviews	O
that	O
do	O
not	O
correlate	O
with	O
the	O
game	O
itself	O
.	O
</s>
<s>
Psyonix	O
announced	O
in	O
January	O
2020	O
that	O
as	O
part	O
of	O
a	O
major	O
upgrade	O
to	O
the	O
base	O
game	O
systems	O
,	O
they	O
would	O
be	O
dropping	O
support	O
for	O
macOS	B-Application
and	O
Linux	B-Application
from	O
the	O
game	O
by	O
March	O
2020	O
.	O
</s>
<s>
Psyonix	O
said	O
in	O
a	O
followup	O
message	O
that	O
macOS	B-Application
and	O
Linux	B-Application
players	O
represented	O
less	O
than	O
0.3	O
%	O
of	O
the	O
total	O
player	O
base	O
and	O
could	O
not	O
justify	O
keeping	O
these	O
as	O
supported	O
platforms	O
as	O
they	O
advanced	O
the	O
other	O
platforms	O
to	O
newer	O
technology	O
,	O
such	O
as	O
moving	O
the	O
Windows	O
version	O
from	O
DirectX	B-Application
9	I-Application
to	O
11	O
.	O
</s>
<s>
The	O
developer	O
offered	O
full	O
refunds	O
to	O
the	O
game	O
for	O
macOS	B-Application
and	O
Linux	B-Application
owners	O
regardless	O
of	O
how	O
long	O
they	O
had	O
the	O
game	O
.	O
</s>
<s>
Psyonix	O
teamed	O
with	O
Internal	O
Drive	O
to	O
provide	O
Rocket	B-Application
League	I-Application
as	O
part	O
of	O
the	O
latter	O
's	O
iD	O
Tech	O
summer	O
educational	O
camps	O
for	O
children	O
,	O
using	O
the	O
game	O
for	O
both	O
recreation	O
and	O
for	O
teaching	O
elements	O
of	O
game	O
design	O
.	O
</s>
<s>
Psyonix	O
partnered	O
with	O
Zag	O
Toys	O
to	O
produce	O
a	O
series	O
of	O
pullback	O
toy	O
cars	O
based	O
on	O
the	O
Rocket	B-Application
League	I-Application
vehicles	O
,	O
which	O
released	O
in	O
June	O
2017	O
.	O
</s>
<s>
The	O
developers	O
also	O
filmed	O
television	O
advertisements	O
for	O
Rocket	B-Application
League	I-Application
that	O
started	O
airing	O
the	O
same	O
month	O
.	O
</s>
<s>
Alongside	O
these	O
ads	O
,	O
Psyonix	O
offered	O
free	O
copies	O
of	O
Rocket	B-Application
League	I-Application
alongside	O
purchase	O
of	O
selected	O
Nvidia	O
graphics	B-Device
cards	I-Device
.	O
</s>
<s>
In	O
December	O
2018	O
,	O
toy	O
car	O
brand	O
Hot	B-Device
Wheels	I-Device
released	O
a	O
radio-controlled	O
car	O
(	O
RC	O
car	O
)	O
game	O
set	O
based	O
on	O
the	O
game	O
that	O
features	O
two	O
RC	O
cars	O
that	O
are	O
controlled	O
through	O
Bluetooth	B-Protocol
devices	O
,	O
a	O
play	O
field	O
,	O
a	O
ball	O
containing	O
infrared	O
sensors	O
for	O
scoring	O
purposes	O
,	O
and	O
charging	O
devices	O
.	O
</s>
<s>
Psyonix	O
transitioned	O
Rocket	B-Application
League	I-Application
to	O
a	O
free-to-play	O
model	O
on	O
all	O
platforms	O
on	O
September	O
23	O
,	O
2020	O
.	O
</s>
<s>
Associated	O
with	O
the	O
transition	O
,	O
the	O
game	O
added	O
cross-platform	B-Operating_System
progression	O
that	O
covers	O
the	O
cosmetic	O
items	O
players	O
have	O
earned	O
,	O
new	O
competitive	O
tournaments	O
at	O
each	O
rank	O
to	O
earn	O
rewards	O
,	O
new	O
challenges	O
,	O
and	O
other	O
features	O
.	O
</s>
<s>
The	O
free-to-play	O
version	O
eliminated	O
the	O
need	O
for	O
players	O
to	O
have	O
console	O
subscription	O
services	O
like	O
PlayStation	O
Plus	O
or	O
Nintendo	B-Application
Switch	I-Application
Online	I-Application
to	O
be	O
able	O
to	O
play	O
.	O
</s>
<s>
As	O
part	O
of	O
this	O
transition	O
,	O
the	O
Windows	O
version	O
of	O
the	O
game	O
was	O
moved	O
off	O
Steam	B-Application
onto	O
the	O
Epic	O
Games	O
Store	O
.	O
</s>
<s>
Players	O
that	O
had	O
already	O
owned	O
the	O
Steam	B-Application
version	O
prior	O
to	O
the	O
change	O
were	O
still	O
able	O
to	O
download	O
,	O
update	O
the	O
game	O
and	O
play	O
it	O
with	O
cross-play	O
with	O
other	O
platforms	O
,	O
and	O
would	O
continue	O
to	O
receive	O
updates	O
.	O
</s>
<s>
Psyonix	O
had	O
observed	O
the	O
popularity	O
of	O
Rocket	B-Application
League	I-Application
matches	O
on	O
Twitch	O
and	O
other	O
live	O
streaming	O
platforms	O
,	O
and	O
in	O
February	O
2016	O
,	O
were	O
looking	O
to	O
use	O
the	O
game	O
more	O
in	O
esports	O
.	O
</s>
<s>
In	O
March	O
2016	O
,	O
Psyonix	O
announced	O
the	O
first	O
Rocket	B-Application
League	I-Application
Championship	O
Series	O
;	O
the	O
finals	O
took	O
place	O
in	O
August	O
2016	O
with	O
a	O
$	O
55,000	O
prize	O
pool	O
.	O
</s>
<s>
Soon	O
after	O
release	O
,	O
Rocket	B-Application
League	I-Application
became	O
an	O
officially	O
sponsored	O
esport	O
,	O
joining	O
ESL	O
.	O
</s>
<s>
In	O
September	O
2015	O
,	O
Major	O
League	O
Gaming	O
(	O
MLG	O
)	O
announced	O
the	O
first	O
season	O
of	O
the	O
Pro	O
Rocket	B-Application
League	I-Application
,	O
which	O
was	O
held	O
in	O
September	O
through	O
early	O
October	O
.	O
</s>
<s>
A	O
$	O
75,000	O
Rocket	B-Application
League	I-Application
tournament	O
was	O
held	O
outside	O
U.S.	O
Bank	O
Stadium	O
at	O
the	O
Summer	O
X	O
Games	O
in	O
July	O
2017	O
,	O
with	O
the	O
finals	O
streamed	O
live	O
on	O
ESPN3	O
.	O
</s>
<s>
NRG	O
Esports	O
claimed	O
their	O
first	O
live	O
Rocket	B-Application
League	I-Application
championship	O
by	O
winning	O
the	O
tournament	O
,	O
defeating	O
Gale	O
Force	O
eSports	O
in	O
the	O
final	O
.	O
</s>
<s>
2020	O
has	O
brought	O
a	O
large	O
change	O
to	O
Rocket	B-Application
League	I-Application
Esports	O
,	O
the	O
addition	O
of	O
a	O
new	O
competitive	O
format	O
that	O
has	O
3	O
splits	O
that	O
include	O
3	O
regional	O
events	O
each	O
with	O
one	O
major	O
LAN	O
at	O
the	O
end	O
of	O
the	O
3	O
splits	O
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
,	O
upon	O
release	O
and	O
throughout	O
its	O
lifetime	O
,	O
has	O
been	O
given	O
positive	O
reviews	O
by	O
video	O
game	O
critics	O
.	O
</s>
<s>
In	O
a	O
review	O
of	O
Rocket	B-Application
League	I-Application
beta	O
preview	O
,	O
Ozzie	O
Mejia	O
of	O
Shacknews	O
praised	O
Psyonix	O
's	O
approach	O
to	O
updating	O
Battle-Cars	O
using	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
's	O
hardware	O
,	O
describing	O
the	O
graphics	O
as	O
"	O
brilliantly	O
detailed	O
"	O
and	O
"	O
crisp	O
"	O
,	O
and	O
citing	O
its	O
consistent	O
frame	O
rates	O
throughout	O
.	O
</s>
<s>
Reviewers	O
from	O
Polygon	O
,	O
PlayStation	O
Universe	O
,	O
and	O
Videogamer.com	O
shared	O
positive	O
views	O
towards	O
multiplayer	O
gameplay	O
in	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
It	O
stops	O
players	O
from	O
clustering	O
in	O
the	O
same	O
spots	O
and	O
reinforces	O
the	O
concept	O
that	O
Rocket	B-Application
League	I-Application
is	O
a	O
team	O
game.	O
"	O
</s>
<s>
In	O
a	O
retrospective	O
review	O
written	O
two	O
years	O
after	O
its	O
release	O
,	O
Alec	O
Meer	O
of	O
Rock	O
Paper	O
Shotgun	O
shared	O
similar	O
feelings	O
about	O
the	O
player	O
experience	O
in	O
Rocket	B-Application
League	I-Application
.	O
</s>
<s>
On	O
July	O
11	O
,	O
2015	O
,	O
Psyonix	O
announced	O
that	O
there	O
were	O
around	O
120,000	O
concurrent	O
players	O
across	O
both	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Windows	O
.	O
</s>
<s>
Psyonix	O
announced	O
that	O
over	O
one	O
million	O
copies	O
of	O
the	O
game	O
had	O
been	O
sold	O
on	O
Steam	B-Application
by	O
August	O
2015	O
.	O
</s>
<s>
In	O
February	O
2016	O
,	O
Psyonix	O
stated	O
Rocket	B-Application
League	I-Application
has	O
earned	O
$70	O
million	O
in	O
revenues	O
with	O
at	O
least	O
four	O
million	O
copies	O
sold	O
,	O
not	O
including	O
downloads	O
on	O
the	O
PlayStation	O
system	O
;	O
they	O
have	O
tracked	O
at	O
least	O
12	O
million	O
unique	O
players	O
of	O
the	O
game	O
,	O
including	O
both	O
purchases	O
and	O
during	O
free	O
play	O
offers	O
such	O
as	O
its	O
availability	O
on	O
the	O
PlayStation	O
Plus	O
membership	O
program	O
.	O
</s>
<s>
Within	O
three	O
weeks	O
of	O
its	O
release	O
for	O
the	B-Device
Xbox	I-Device
One	I-Device
,	O
Psyonix	O
observed	O
at	O
least	O
one	O
million	O
unique	O
players	O
for	O
that	O
system	O
.	O
</s>
<s>
By	O
July	O
2016	O
,	O
a	O
year	O
after	O
its	O
release	O
,	O
Psyonix	O
reported	O
more	O
than	O
6.2	O
million	O
sales	O
of	O
the	O
game	O
across	O
all	O
platforms	O
,	O
including	O
5.5	O
million	O
purchases	O
of	O
DLC	B-Protocol
,	O
with	O
more	O
than	O
$110	O
million	O
in	O
revenue	O
;	O
40%	O
of	O
these	O
sales	O
have	O
been	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
version	O
with	O
the	O
remaining	O
split	O
roughly	O
equally	O
between	O
PC	O
and	O
Xbox	B-Device
One	I-Device
.	O
</s>
<s>
Sony	O
stated	O
that	O
Rocket	B-Application
League	I-Application
was	O
the	O
most-downloaded	O
title	O
from	O
the	O
PlayStation	O
Store	O
in	O
2016	O
.	O
</s>
<s>
By	O
March	O
2017	O
,	O
Psyonix	O
reported	O
that	O
Rocket	B-Application
League	I-Application
had	O
sold	O
more	O
than	O
10.5	O
million	O
copies	O
across	O
all	O
platforms	O
,	O
and	O
had	O
29	O
million	O
registered	O
players	O
,	O
with	O
about	O
a	O
fourth	O
of	O
that	O
having	O
played	O
during	O
February	O
2017	O
.	O
</s>
<s>
Dunham	O
estimated	O
that	O
70%	O
of	O
the	O
game	O
's	O
players	O
had	O
purchased	O
some	O
of	O
the	O
DLC	B-Protocol
offered	O
for	O
the	O
game	O
by	O
March	O
2017	O
.	O
</s>
<s>
After	O
the	O
E3	O
2015	O
event	O
,	O
Rocket	B-Application
League	I-Application
received	O
multiple	O
nominations	O
and	O
won	O
several	O
awards	O
,	O
including	O
PlayStation	O
Universe	O
"	O
Best	O
Sports	O
Game	O
of	O
E3	O
"	O
,	O
as	O
well	O
as	O
Gaming	O
Trend	O
"	O
Best	O
Multiplayer	O
Game	O
of	O
E3	O
"	O
.	O
</s>
<s>
At	O
The	O
Game	O
Awards	O
2015	O
in	O
December	O
,	O
Rocket	B-Application
League	I-Application
won	O
the	O
award	O
for	O
Best	O
Independent	O
Game	O
and	O
Best	O
Sports/Racing	O
Game	O
,	O
and	O
was	O
nominated	O
for	O
Best	O
Multiplayer	O
.	O
</s>
<s>
Awards	O
in	O
February	O
2016	O
,	O
Rocket	B-Application
League	I-Application
also	O
won	O
the	O
award	O
for	O
Sports	O
Game	O
of	O
the	O
Year	O
,	O
Outstanding	O
Achievement	O
for	O
Online	O
Gameplay	O
and	O
the	O
D.I.C.E.	O
</s>
<s>
Rocket	B-Application
League	I-Application
was	O
awarded	O
the	O
Best	O
Design	O
at	O
the	O
2016	O
Game	O
Developers	O
Choice	O
Awards	O
.	O
</s>
<s>
At	O
the	O
2016	O
SXSW	O
Gaming	O
Awards	O
,	O
Rocket	B-Application
League	I-Application
was	O
awarded	O
the	O
"	O
Excellence	O
in	O
Multiplayer	O
"	O
prize	O
.	O
</s>
<s>
Rocket	B-Application
League	I-Application
won	O
three	O
BAFTA	O
Games	O
Awards	O
for	O
Multiplayer	O
,	O
Sports	O
,	O
and	O
Family	O
,	O
and	O
was	O
nominated	O
for	O
two	O
others	O
,	O
Best	O
Game	O
and	O
Game	O
Design	O
.	O
</s>
