<s>
SimplePlanes	B-Operating_System
is	O
a	O
simulation	O
video	O
game	O
developed	O
and	O
published	O
by	O
the	O
American	O
indie	O
studio	O
Jundroo	O
LLC	O
.	O
</s>
<s>
SimplePlanes	B-Operating_System
followed	O
the	O
release	O
of	O
SimplePhysics	O
and	O
SimpleRockets	O
and	O
preceded	O
Juno	O
:	O
New	O
Origins	O
and	O
SimplePlanes	B-Operating_System
VR	I-Operating_System
.	O
</s>
<s>
The	O
game	O
was	O
first	O
released	O
on	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Microsoft	B-Application
Windows	I-Application
and	O
was	O
ported	O
to	O
iOS	B-Application
and	O
Android	B-Application
later	O
.	O
</s>
<s>
It	O
was	O
released	O
onto	O
Steam	B-Application
on	O
the	O
17th	O
of	O
December	O
2015	O
after	O
going	O
through	O
the	O
Steam	B-Application
Greenlight	O
process	O
.	O
</s>
<s>
From	O
2014	O
until	O
2022	O
,	O
SimplePlanes	B-Operating_System
has	O
got	O
11	O
updates	O
(	O
1.1	O
-	O
1.11	O
)	O
.	O
</s>
<s>
In	O
SimplePlanes	B-Operating_System
the	O
player	O
is	O
given	O
the	O
freedom	O
of	O
building	O
anything	O
they	O
want	O
using	O
the	O
materials	O
and	O
objects	O
provided	O
.	O
</s>
<s>
Players	O
can	O
additionally	O
use	O
XML	B-Protocol
modifications	O
(	O
save	O
editing	O
)	O
on	O
their	O
creation	O
.	O
</s>
<s>
Planes	O
(	O
or	O
other	O
creations	O
)	O
created	O
by	O
the	O
community	O
can	O
also	O
be	O
downloaded	O
from	O
the	O
SimplePlanes.com	O
website	O
,	O
which	O
has	O
social-network	O
like	O
features	O
:	O
player	O
profiles	O
with	O
their	O
creations	O
,	O
aircraft	O
rating	O
via	O
upvotes	O
,	O
forums	O
,	O
and	O
a	O
gallery	O
of	O
all	O
designs	O
.	O
</s>
<s>
An	O
outstanding	O
feature	O
of	O
SimplePlanes	B-Operating_System
is	O
the	O
procedural	O
building	O
system	O
.	O
</s>
<s>
While	O
SimplePlanes	B-Operating_System
has	O
such	O
blocks	O
,	O
most	O
parts	O
can	O
be	O
reshaped	O
by	O
the	O
player	O
to	O
make	O
the	O
complex	O
curves	O
of	O
any	O
aircraft	O
.	O
</s>
<s>
When	O
the	O
creation	O
or	O
build	O
is	O
finished	O
,	O
the	O
player	O
can	O
fly/drive/sail	O
it	O
around	O
the	O
map	O
which	O
contains	O
five	O
different	O
islands	O
with	O
unique	O
features	O
,	O
(	O
4	O
on	O
IOS	B-Application
or	O
Android	B-Application
)	O
and/or	O
upload	O
it	O
to	O
the	O
SimplePlanes	B-Operating_System
website	O
.	O
</s>
<s>
SimplePlanes	B-Operating_System
contains	O
challenges	O
which	O
the	O
player	O
can	O
do	O
.	O
</s>
<s>
On	O
PC	O
,	O
Mac	O
and	O
Linux	O
(	O
and	O
formerly	O
Android	B-Application
)	O
SimplePlanes	B-Operating_System
mods	O
can	O
be	O
downloaded	O
from	O
SimplePlanes.com,	O
and	O
can	O
be	O
activated	O
from	O
the	O
main	O
menu	O
.	O
</s>
<s>
Some	O
mods	O
are	O
also	O
hosted	O
on	O
the	O
Steam	B-Application
Workshop	O
.	O
</s>
<s>
Mods	O
can	O
be	O
created	O
with	O
a	O
special	O
Unity	B-Application
plugin	O
that	O
is	O
shipped	O
with	O
the	O
game	O
.	O
</s>
<s>
SimplePlanes	B-Operating_System
VR	I-Operating_System
(	O
often	O
abbreviated	O
SPVR	O
)	O
is	O
another	O
game	O
for	O
VR	B-Application
headsets	O
,	O
sold	O
separately	O
on	O
Steam	B-Application
.	O
</s>
<s>
The	O
game	O
supports	O
Valve	B-Device
Index	I-Device
,	O
HTC	O
Vive	O
,	O
Oculus	B-Device
Rift	I-Device
,	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
and	O
is	O
in	O
App	O
Lab	O
for	O
the	O
Meta	B-General_Concept
Quest	I-General_Concept
2	I-General_Concept
.	O
</s>
<s>
Unlike	O
SimplePlanes	B-Operating_System
,	O
players	O
cannot	O
build	O
or	O
edit	O
any	O
aircraft	O
but	O
they	O
can	O
download	O
VR-friendly	O
aircraft	O
from	O
its	O
website	O
.	O
</s>
<s>
Website	O
curators	O
have	O
a	O
very	O
important	O
role	O
of	O
"	O
curating	O
"	O
crafts	O
which	O
work	O
in	O
SimplePlanes	B-Operating_System
VR	I-Operating_System
.	O
</s>
<s>
A	O
craft	O
which	O
works	O
in	O
VR	B-Application
is	O
built	O
up	O
of	O
cockpit	O
parts	O
which	O
are	O
all	O
interactive	O
,	O
making	O
a	O
smooth	O
and	O
immersive	O
VR	B-Application
experience	O
.	O
</s>
<s>
Following	O
the	O
release	O
of	O
popular	O
games	O
SimpleRockets	O
and	O
SimplePhysics	O
,	O
Jundroo	O
LLC	O
released	O
SimplePlanes	B-Operating_System
on	O
Windows	O
and	O
Mac	B-Operating_System
OSX	I-Operating_System
.	O
</s>
<s>
Soon	O
after	O
it	O
was	O
ported	O
to	O
iOS	B-Application
and	O
Android	B-Application
.	O
</s>
<s>
The	O
Windows	O
and	O
OSX	B-Operating_System
versions	O
were	O
first	O
sold	O
on	O
Gumroad	O
but	O
when	O
SimplePlanes	B-Operating_System
was	O
released	O
onto	O
Valve	O
's	O
Steam	B-Application
on	O
17	O
December	O
2015	O
after	O
going	O
through	O
the	O
Steam	B-Application
Greenlight	O
process	O
,	O
all	O
sales	O
were	O
moved	O
there	O
.	O
</s>
<s>
All	O
purchasers	O
from	O
Gumroad	O
received	O
a	O
free	O
Steam	B-Application
key	B-Application
.	O
</s>
<s>
Mac	O
copies	O
were	O
also	O
sold	O
via	O
the	O
Mac	B-Application
App	I-Application
Store	I-Application
.	O
</s>
<s>
The	O
people	O
who	O
purchased	O
the	O
game	O
through	O
this	O
method	O
had	O
to	O
email	O
the	O
receipt	O
to	O
get	O
the	O
Steam	B-Application
key	B-Application
.	O
</s>
<s>
The	O
game	O
received	O
regular	O
updates	O
with	O
new	O
parts	O
and	O
locations	O
,	O
but	O
the	O
update	O
rate	O
became	O
slower	O
when	O
the	O
developers	O
switched	O
focus	O
to	O
Juno	O
:	O
New	O
Origins	O
and	O
SimplePlanes	B-Operating_System
VR	I-Operating_System
.	O
</s>
<s>
SimplePlanes	B-Operating_System
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
,	O
according	O
to	O
Metacritic	O
,	O
where	O
it	O
garnered	O
a	O
score	O
of	O
67/100	O
.	O
</s>
<s>
Nadia	O
Oxford	O
,	O
a	O
writer	O
for	O
Gamezebo	O
gave	O
SimplePlanes	B-Operating_System
a	O
4/5	O
for	O
its	O
realistic	O
flight	O
challenges	O
,	O
sandbox	O
mode	O
and	O
the	O
amount	O
of	O
building	O
options	O
.	O
</s>
<s>
He	O
compared	O
the	O
graphics	O
to	O
"	O
a	O
poor	O
man	O
's	O
Wii	B-Application
Sports	I-Application
resort	O
"	O
and	O
said	O
the	O
planes	O
looked	O
like	O
small	O
wooden	O
toys	O
with	O
the	O
best	O
compliment	O
he	O
could	O
give	O
the	O
game	O
being	O
"	O
who	O
knows	O
if	O
the	O
aerodynamic	O
knowledge	O
players	O
learn	O
from	O
SimplePlanes	B-Operating_System
can	O
actually	O
transfer	O
over	O
into	O
the	O
real	O
world	O
?	O
</s>
<s>
Mark	O
Steighner	O
,	O
a	O
writer	O
for	O
Hardcore	O
Gamer	O
did	O
not	O
criticise	O
the	O
controls	O
but	O
instead	O
commented	O
on	O
the	O
lack	O
of	O
charisma	O
that	O
games	O
like	O
Kerbal	B-Device
Space	I-Device
Program	I-Device
have	O
.	O
</s>
<s>
However	O
,	O
most	O
players	O
would	O
disagree	O
with	O
these	O
criticisms	O
,	O
and	O
the	O
game	O
has	O
very	O
positive	O
ratings	O
on	O
Steam	B-Application
and	O
an	O
average	O
rating	O
of	O
4.5	O
+	O
/5.0	O
stars	O
on	O
the	O
App	B-Application
Store	I-Application
.	O
</s>
