<s>
Knockout	B-Application
City	I-Application
is	O
an	O
action	B-Application
video	I-Application
game	I-Application
developed	O
by	O
Velan	O
Studios	O
.	O
</s>
<s>
Publisher	O
Electronic	O
Arts	O
released	O
the	O
game	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Nintendo	B-Application
Switch	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
in	O
May	O
2021	O
under	O
its	O
EA	O
Originals	O
label	O
.	O
</s>
<s>
Knockout	B-Application
City	I-Application
is	O
a	O
team-based	O
competitive	O
multiplayer	O
video	O
game	O
whose	O
gameplay	O
rules	O
resemble	O
dodgeball	B-Application
.	O
</s>
<s>
All	O
of	O
the	O
maps	O
are	O
set	O
in	O
a	O
futuristic	O
metropolis	O
named	O
Knockout	B-Application
City	I-Application
,	O
and	O
each	O
map	O
also	O
features	O
various	O
environmental	O
hazards	O
which	O
can	O
knock	O
a	O
player	O
out	O
.	O
</s>
<s>
Knockout	B-Application
City	I-Application
was	O
developed	O
by	O
Velan	O
Studios	O
,	O
which	O
had	O
previously	O
released	O
Mario	B-Application
Kart	I-Application
Live	I-Application
:	I-Application
Home	I-Application
Circuit	I-Application
in	O
2020	O
.	O
</s>
<s>
Velan	O
Studios	O
described	O
the	O
game	O
as	O
a	O
"	O
dodgebrawl	O
"	O
title	O
,	O
and	O
its	O
CEO	O
,	O
Karthik	O
Bala	O
,	O
added	O
that	O
the	O
team	O
chose	O
dodgeball	B-Application
to	O
be	O
the	O
game	O
's	O
core	O
gameplay	O
loop	O
because	O
it	O
was	O
considered	O
to	O
be	O
an	O
"	O
intuitive	O
"	O
sport	O
.	O
</s>
<s>
Velan	O
Studios	O
built	O
an	O
engine	O
named	O
Viper	O
to	O
power	O
the	O
game	O
and	O
created	O
a	O
programming	O
script	O
named	O
V-script	O
,	O
which	O
aimed	O
at	O
countering	O
network	B-Protocol
latency	I-Protocol
.	O
</s>
<s>
Knockout	B-Application
City	I-Application
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Nintendo	B-Application
Switch	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
(	O
with	O
enhanced	O
backwards	O
compatibility	O
for	O
PlayStation	B-Device
5	I-Device
and	O
Xbox	B-Device
Series	I-Device
X	I-Device
and	I-Device
Series	I-Device
S	I-Device
)	O
on	O
May	O
21	O
,	O
2021	O
,	O
with	O
cross	B-Application
platform	I-Application
play	I-Application
and	O
shared	O
progression	O
between	O
platforms	O
.	O
</s>
<s>
In	O
April	O
2021	O
,	O
it	O
was	O
announced	O
that	O
the	O
game	O
would	O
be	O
available	O
to	O
play	O
at	O
no	O
cost	O
to	O
EA	B-Application
Play	I-Application
and	O
Xbox	B-Application
Game	I-Application
Pass	I-Application
Ultimate	I-Application
subscribers	O
.	O
</s>
<s>
On	O
September	O
19	O
,	O
2022	O
,	O
Velan	O
Studios	O
announced	O
that	O
the	O
game	O
will	O
move	O
from	O
EA	O
's	O
Origin	B-Operating_System
online	O
services	O
to	O
the	O
Epic	O
Online	O
Services	O
with	O
the	O
Version	O
7.1	O
patch	O
.	O
</s>
<s>
Knockout	B-Application
City	I-Application
received	O
generally	O
positive	O
reviews	O
upon	O
release	O
according	O
to	O
Metacritic	O
.	O
</s>
<s>
Some	O
reviewers	O
have	O
compared	O
Knockout	B-Application
City	I-Application
with	O
Rocket	B-Application
Arena	I-Application
,	O
a	O
2020	O
game	O
also	O
published	O
by	O
Electronic	O
Arts	O
.	O
</s>
<s>
Knockout	B-Application
City	I-Application
was	O
nominated	O
for	O
"	O
Best	O
Multiplayer	O
Game	O
"	O
at	O
The	O
Game	O
Awards	O
2021	O
and	O
"	O
Online	O
Game	O
of	O
the	O
Year	O
"	O
at	O
the	O
25th	O
Annual	O
D.I.C.E.	O
</s>
