<s>
Unity	O
is	O
a	O
cross-platform	B-Operating_System
game	O
engine	O
developed	O
by	O
Unity	O
Technologies	O
,	O
first	O
announced	O
and	O
released	O
in	O
June	O
2005	O
at	O
Apple	O
Worldwide	O
Developers	O
Conference	O
as	O
a	O
Mac	B-Application
OS	I-Application
X	I-Application
game	O
engine	O
.	O
</s>
<s>
The	O
engine	O
has	O
since	O
been	O
gradually	O
extended	O
to	O
support	O
a	O
variety	O
of	O
desktop	B-Device
,	O
mobile	O
,	O
console	B-Device
and	O
virtual	B-Application
reality	I-Application
platforms	O
.	O
</s>
<s>
It	O
is	O
particularly	O
popular	O
for	O
iOS	B-Application
and	O
Android	B-Application
mobile	I-Application
game	O
development	O
,	O
is	O
considered	O
easy	O
to	O
use	O
for	O
beginner	O
developers	O
,	O
and	O
is	O
popular	O
for	O
indie	O
game	O
development	O
.	O
</s>
<s>
The	O
engine	O
can	O
be	O
used	O
to	O
create	O
three-dimensional	O
(	O
3D	O
)	O
and	O
two-dimensional	O
(	O
2D	O
)	O
games	O
,	O
as	O
well	O
as	O
interactive	O
simulations	B-Application
and	O
other	O
experiences	O
.	O
</s>
<s>
The	O
Unity	B-Application
game	I-Application
engine	I-Application
launched	O
in	O
2005	O
,	O
aiming	O
to	O
"	O
democratize	O
"	O
game	O
development	O
by	O
making	O
it	O
accessible	O
to	O
more	O
developers	O
.	O
</s>
<s>
The	O
next	O
year	O
,	O
Unity	O
was	O
named	O
runner-up	O
in	O
the	O
Best	O
Use	O
of	O
Mac	B-Application
OS	I-Application
X	I-Application
Graphics	O
category	O
in	O
Apple	O
Inc.	O
'	O
s	O
Apple	O
Design	O
Awards	O
.	O
</s>
<s>
Unity	O
was	O
initially	O
released	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
,	O
later	O
adding	O
support	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Web	O
browsers	O
.	O
</s>
<s>
It	O
included	O
a	O
Networking	O
Layer	O
for	O
developers	O
to	O
create	O
multiplayer	O
games	O
based	O
on	O
the	O
User	B-Protocol
Datagram	I-Protocol
Protocol	I-Protocol
,	O
offering	O
Network	B-Protocol
Address	I-Protocol
Translation	I-Protocol
,	O
State	O
Synchronization	O
,	O
and	O
Remote	B-Operating_System
Procedure	I-Operating_System
Calls	I-Operating_System
.	O
</s>
<s>
When	O
Apple	O
launched	O
its	O
App	B-Application
Store	I-Application
in	O
2008	O
,	O
Unity	O
quickly	O
added	O
support	O
for	O
the	O
iPhone	B-Device
.	O
</s>
<s>
For	O
several	O
years	O
,	O
the	O
engine	O
was	O
uncontested	O
on	O
the	O
iPhone	B-Device
and	O
it	O
became	O
well-known	O
with	O
iOS	B-Application
game	O
developers	O
.	O
</s>
<s>
Unity	O
3.0	O
launched	O
in	O
September	O
2010	O
with	O
features	O
expanding	O
the	O
engine	O
's	O
graphics	O
features	O
for	O
desktop	B-Device
computers	I-Device
and	O
video	B-Device
game	I-Device
consoles	I-Device
.	O
</s>
<s>
In	O
addition	O
to	O
Android	B-Application
support	O
,	O
Unity	O
3	O
featured	O
integration	O
of	O
Illuminate	O
Labs	O
 '	O
Beast	O
Lightmap	O
tool	O
,	O
deferred	O
rendering	O
,	O
a	O
built-in	O
tree	O
editor	O
,	O
native	O
font	O
rendering	O
,	O
automatic	O
UV	O
mapping	O
,	O
and	O
audio	O
filters	O
,	O
among	O
other	O
things	O
.	O
</s>
<s>
 [ ... ] 	O
More	O
than	O
1.3	O
million	O
developers	O
are	O
using	O
its	O
tools	O
to	O
create	O
gee-whiz	O
graphics	O
in	O
their	O
iOS	B-Application
,	O
Android	B-Application
,	O
console	B-Device
,	O
PC	O
,	O
and	O
web-based	O
games	O
.	O
</s>
<s>
Unity	O
wants	O
to	O
be	O
the	O
engine	O
for	O
multi-platform	B-Operating_System
games	O
,	O
period.	O
"	O
</s>
<s>
This	O
version	O
added	O
DirectX	O
11	O
and	O
Adobe	B-Operating_System
Flash	I-Operating_System
support	O
,	O
new	O
animation	O
tools	O
called	O
Mecanim	O
,	O
and	O
access	O
to	O
the	O
Linux	B-Application
preview	O
.	O
</s>
<s>
Facebook	O
integrated	O
a	O
software	B-Application
development	I-Application
kit	I-Application
for	O
games	O
using	O
the	O
Unity	B-Application
game	I-Application
engine	I-Application
in	O
2013	O
.	O
</s>
<s>
The	O
Verge	O
said	O
of	O
2015	O
's	O
Unity	B-Application
5	I-Application
release	O
:	O
"	O
Unity	O
started	O
with	O
the	O
goal	O
of	O
making	O
game	O
development	O
universally	O
accessible	O
.	O
</s>
<s>
 [ ... ] 	O
Unity	B-Application
5	I-Application
is	O
a	O
long-awaited	O
step	O
towards	O
that	O
future.	O
"	O
</s>
<s>
With	O
Unity	B-Application
5	I-Application
,	O
the	O
engine	O
improved	O
its	O
lighting	O
and	O
audio	O
.	O
</s>
<s>
Through	O
WebGL	B-Library
,	O
Unity	O
developers	O
could	O
add	O
their	O
games	O
to	O
compatible	O
Web	O
browsers	O
with	O
no	O
plug-ins	O
required	O
for	O
players	O
.	O
</s>
<s>
The	O
fifth	O
generation	O
of	O
the	O
Unity	B-Application
engine	I-Application
also	O
introduced	O
Cinematic	O
Image	O
Effects	O
to	O
help	O
make	O
Unity	O
games	O
look	O
less	O
generic	O
.	O
</s>
<s>
Unity	O
5.6	O
added	O
new	O
lighting	O
and	O
particle	O
effects	O
,	O
updated	O
the	O
engine	O
's	O
overall	O
performance	O
,	O
and	O
added	O
native	O
support	O
for	O
Nintendo	B-Application
Switch	I-Application
,	O
Facebook	O
Gameroom	O
,	O
Google	B-Application
Daydream	I-Application
,	O
and	O
the	O
Vulkan	B-Application
graphics	I-Application
API	I-Application
.	O
</s>
<s>
It	O
introduced	O
a	O
4K	O
video	O
player	O
capable	O
of	O
running	O
360-degree	O
videos	O
for	O
virtual	B-Application
reality	I-Application
.	O
</s>
<s>
Unity	O
2017.2	O
also	O
integrated	O
Autodesk	O
's	O
3DS	B-Operating_System
Max	O
and	O
Maya	O
tools	O
into	O
the	O
Unity	B-Application
engine	I-Application
for	O
a	O
streamlined	O
asset	O
sharing	O
in-game	O
iteration	O
process	O
.	O
</s>
<s>
This	O
included	O
the	O
High-Definition	O
Rendering	B-General_Concept
Pipeline	I-General_Concept
for	O
console	B-Device
and	O
PC	O
experiences	O
,	O
and	O
the	O
Lightweight	O
Rendering	B-General_Concept
Pipeline	I-General_Concept
(	O
later	O
renamed	O
to	O
the	O
Universal	O
Render	O
Pipeline	O
)	O
for	O
mobile	O
,	O
virtual	B-Application
reality	I-Application
,	O
and	O
augmented	O
reality	O
.	O
</s>
<s>
Unity	O
2018	O
also	O
included	O
machine	O
learning	O
tools	O
,	O
such	O
as	O
Imitation	O
Learning	O
,	O
whereby	O
games	O
learn	O
from	O
real	O
player	O
habits	O
,	O
support	O
for	O
Magic	B-General_Concept
Leap	I-General_Concept
,	O
and	O
templates	O
for	O
new	O
developers	O
.	O
</s>
<s>
The	O
C#	B-Application
source	O
code	O
of	O
Unity	O
was	O
published	O
under	O
a	O
"	O
reference-only	O
"	O
license	O
in	O
March	O
2018	O
,	O
which	O
prohibits	O
reuse	O
and	O
modification	O
.	O
</s>
<s>
Financial	O
Times	O
reported	O
that	O
Unity	O
's	O
engine	O
"	O
powers	O
some	O
of	O
the	O
world	O
's	O
most	O
lucrative	O
mobile	O
games	O
"	O
,	O
such	O
as	O
Pokémon	B-Application
Go	I-Application
and	O
Activision	O
's	O
Call	B-Application
of	I-Application
Duty	I-Application
Mobile	I-Application
.	O
</s>
<s>
In	O
June	O
2020	O
,	O
Unity	O
announced	O
the	O
Unity	O
Editor	O
will	O
support	O
Apple	B-Device
Silicon	I-Device
.	O
</s>
<s>
Full	O
Apple	B-Device
Silicon	I-Device
support	O
was	O
also	O
added	O
in	O
Unity	O
2021.2	O
.	O
</s>
<s>
Unity	O
Hub	O
support	O
for	O
Apple	B-Device
Silicon	I-Device
editors	O
arrived	O
in	O
version	O
3.0	O
in	O
January	O
2022	O
.	O
</s>
<s>
Support	O
for	O
PSD	O
extension	O
files	O
and	O
layer	O
management	O
were	O
added	O
to	O
the	O
2D	O
PSD	O
Importer	O
,	O
and	O
Delaunay	B-Algorithm
tessellation	I-Algorithm
for	O
2D	O
physics	O
was	O
added	O
.	O
</s>
<s>
Unity	O
gives	O
users	O
the	O
ability	O
to	O
create	O
games	O
and	O
experiences	O
in	O
both	O
2D	O
and	O
3D	O
,	O
and	O
the	O
engine	O
offers	O
a	O
primary	O
scripting	O
API	O
in	O
C#	B-Application
using	O
Mono	B-Application
,	O
for	O
both	O
the	O
Unity	O
editor	O
in	O
the	O
form	O
of	O
plugins	O
,	O
and	O
games	O
themselves	O
,	O
as	O
well	O
as	O
drag	O
and	O
drop	O
functionality	O
.	O
</s>
<s>
Prior	O
to	O
C#	B-Application
being	O
the	O
primary	O
programming	O
language	O
used	O
for	O
the	O
engine	O
,	O
it	O
previously	O
supported	O
Boo	B-Application
,	O
which	O
was	O
removed	O
with	O
the	O
release	O
of	O
Unity	B-Application
5	I-Application
,	O
and	O
a	O
Boo-based	O
implementation	O
of	O
JavaScript	B-Language
called	O
UnityScript	O
,	O
which	O
was	O
deprecated	O
in	O
August	O
2017	O
,	O
after	O
the	O
release	O
of	O
Unity	O
2017.1	O
,	O
in	O
favor	O
of	O
C#	B-Application
.	O
</s>
<s>
For	O
3D	O
games	O
,	O
Unity	O
allows	O
specification	O
of	O
texture	O
compression	O
,	O
mipmaps	B-Data_Structure
,	O
and	O
resolution	O
settings	O
for	O
each	O
platform	O
that	O
the	O
game	O
engine	O
supports	O
,	O
and	O
provides	O
support	O
for	O
bump	O
mapping	O
,	O
reflection	O
mapping	O
,	O
parallax	O
mapping	O
,	O
screen	O
space	O
ambient	O
occlusion	O
(	O
SSAO	O
)	O
,	O
dynamic	O
shadows	O
using	O
shadow	O
maps	O
,	O
render-to-texture	B-Library
and	O
full-screen	O
post-processing	O
effects	O
.	O
</s>
<s>
Two	O
separate	O
render	B-General_Concept
pipelines	I-General_Concept
are	O
available	O
,	O
High	O
Definition	O
Render	O
Pipeline	O
(	O
HDRP	O
)	O
and	O
Universal	O
Render	O
Pipeline	O
(	O
URP	O
,	O
previously	O
LWRP	O
)	O
,	O
in	O
addition	O
to	O
the	O
legacy	O
built-in	O
pipeline	O
.	O
</s>
<s>
All	O
three	O
render	B-General_Concept
pipelines	I-General_Concept
are	O
incompatible	O
with	O
each	O
other	O
.	O
</s>
<s>
Unity	O
is	O
a	O
cross-platform	B-Operating_System
engine	O
.	O
</s>
<s>
The	O
Unity	O
editor	O
is	O
supported	O
on	O
Windows	B-Application
,	O
macOS	B-Application
,	O
and	O
the	O
Linux	B-Application
platform	O
,	O
while	O
the	O
engine	O
itself	O
currently	O
supports	O
building	O
games	O
for	O
more	O
than	O
19	O
different	O
platforms	O
,	O
including	O
mobile	O
,	O
desktop	B-Device
,	O
consoles	O
,	O
and	O
virtual	B-Application
reality	I-Application
.	O
</s>
<s>
Mobile	O
platforms	O
iOS	B-Application
,	O
Android	B-Application
(	O
Android	B-Application
TV	I-Application
)	O
,	O
tvOS	B-Operating_System
;	O
</s>
<s>
Desktop	B-Device
platforms	O
Windows	B-Application
(	O
Universal	B-Device
Windows	I-Device
Platform	I-Device
)	O
,	O
Mac	B-Application
,	O
Linux	B-Application
;	O
</s>
<s>
Web	O
platform	O
WebGL	B-Library
;	O
</s>
<s>
Console	B-Device
platforms	O
PlayStation	O
(	O
PS4	B-Operating_System
,	O
PS5	B-Device
)	O
,	O
Xbox	B-Operating_System
(	O
Xbox	B-Device
One	I-Device
,	O
Xbox	B-Device
Series	I-Device
X/S	I-Device
)	O
,	O
Nintendo	B-Application
Switch	I-Application
,	O
Stadia	B-Application
;	O
</s>
<s>
Virtual/Extended	O
reality	O
platforms	O
Oculus	B-Application
,	O
PlayStation	B-Device
VR	I-Device
,	O
Google	O
's	O
ARCore	B-Algorithm
,	O
Apple	O
's	O
ARKit	O
,	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
(	O
HoloLens	B-General_Concept
)	O
,	O
Magic	B-General_Concept
Leap	I-General_Concept
,	O
and	O
via	O
Unity	O
XR	O
SDK	O
Steam	O
VR	O
,	O
Google	B-Device
Cardboard	I-Device
.	O
</s>
<s>
Formerly	O
supported	O
platforms	O
are	O
Wii	B-Operating_System
,	O
Wii	B-Device
U	I-Device
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
Tizen	B-Application
,	O
PlayStation	B-Device
Vita	I-Device
,	O
3DS	B-Operating_System
,	O
BlackBerry	B-Application
10	I-Application
,	O
Windows	B-Application
Phone	O
8	O
,	O
Samsung	O
Smart	O
TV	O
,	O
Gear	B-Device
VR	I-Device
,	O
Daydream	B-Application
,	O
Vuforia	B-Application
,	O
and	O
Facebook	O
Gameroom	O
.	O
</s>
<s>
Unity	O
formerly	O
supported	O
other	O
platforms	O
including	O
its	O
own	O
Unity	B-Application
Web	I-Application
Player	I-Application
,	O
a	O
Web	O
browser	O
plugin	O
.	O
</s>
<s>
However	O
,	O
it	O
was	O
deprecated	O
in	O
favor	O
of	O
WebGL	B-Library
.	O
</s>
<s>
Since	O
version	O
5	O
,	O
Unity	O
has	O
been	O
offering	O
its	O
WebGL	B-Library
bundle	O
compiled	O
to	O
JavaScript	B-Language
using	O
a	O
2-stage	O
language	O
translator	O
(	O
C#	B-Application
to	O
C++	B-Language
and	O
finally	O
to	O
JavaScript	B-Language
)	O
.	O
</s>
<s>
Unity	O
was	O
the	O
default	O
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	O
)	O
used	O
for	O
Nintendo	B-Operating_System
's	I-Operating_System
Wii	I-Operating_System
U	I-Device
video	B-Device
game	I-Device
console	I-Device
,	O
with	O
a	O
free	O
copy	O
included	O
by	O
Nintendo	O
with	O
each	O
Wii	B-Device
U	I-Device
developer	O
license	O
.	O
</s>
<s>
The	O
paid	O
option	O
,	O
Unity	O
Pro	O
,	O
had	O
been	O
required	O
for	O
developers	O
that	O
had	O
over	O
$	O
200,000	O
in	O
annual	O
revenue	O
,	O
but	O
this	O
also	O
could	O
have	O
been	O
provided	O
for	O
console	B-Device
developers	O
through	O
a	O
Preferred	O
Platform	O
License	O
from	O
the	O
console	B-Device
manufacturer	O
.	O
</s>
<s>
The	O
Unity	O
Pro	O
keys	O
would	O
have	O
been	O
part	O
of	O
the	O
other	O
SDK	O
from	O
the	O
console	B-Device
manufacturer	O
that	O
the	O
developer	O
paid	O
for	O
.	O
</s>
<s>
In	O
June	O
2021	O
,	O
Unity	O
changed	O
this	O
plan	O
slightly	O
to	O
require	O
any	O
developer	O
making	O
games	O
on	O
the	O
closed	O
console	B-Device
systems	O
(	O
PlayStation	O
,	O
Nintendo	B-Application
Switch	I-Application
,	O
and	O
Xbox	B-Operating_System
)	O
regardless	O
of	O
revenue	O
to	O
have	O
a	O
Unity	O
Pro	O
license	O
or	O
a	O
Preferred	O
Platform	O
License	O
Key	O
from	O
the	O
manufacturers	O
.	O
</s>
<s>
The	O
engine	O
is	O
used	O
in	O
games	O
including	O
Pokémon	B-Application
Go	I-Application
,	O
Monument	B-Application
Valley	I-Application
,	O
Call	B-Application
of	I-Application
Duty	I-Application
:	I-Application
Mobile	I-Application
,	O
Beat	B-Application
Saber	I-Application
and	O
Cuphead	B-Application
according	O
to	O
the	O
Financial	O
Times	O
.	O
</s>
<s>
,	O
Unity	O
had	O
been	O
used	O
to	O
create	O
approximately	O
half	O
of	O
the	O
mobile	O
games	O
on	O
the	O
market	O
and	O
60	O
percent	O
of	O
augmented	O
reality	O
and	O
virtual	B-Application
reality	I-Application
content	O
,	O
including	O
approximately	O
90	O
percent	O
on	O
emerging	O
augmented	O
reality	O
platforms	O
,	O
such	O
as	O
Microsoft	B-General_Concept
HoloLens	I-General_Concept
,	O
and	O
90	O
percent	O
of	O
Samsung	B-Device
Gear	I-Device
VR	I-Device
content	O
.	O
</s>
<s>
Unity	O
technology	O
is	O
the	O
basis	O
for	O
most	O
virtual	B-Application
reality	I-Application
and	O
augmented	O
reality	O
experiences	O
,	O
and	O
Fortune	O
said	O
Unity	O
"	O
dominates	O
the	O
virtual	B-Application
reality	I-Application
business	O
"	O
.	O
</s>
<s>
Unity	O
Machine	O
Learning	O
Agents	O
is	O
open-source	O
software	O
whereby	O
the	O
Unity	O
platform	O
connects	O
to	O
machine	O
learning	O
programs	O
,	O
including	O
Google	O
's	O
TensorFlow	B-Language
.	O
</s>
<s>
In	O
2018	O
,	O
Disney	O
Television	O
Animation	O
launched	O
three	O
shorts	O
,	O
called	O
Baymax	O
Dreams	O
,	O
that	O
were	O
created	O
using	O
the	O
Unity	B-Application
engine	I-Application
.	O
</s>
<s>
The	O
Unity	B-Application
engine	I-Application
was	O
also	O
used	O
by	O
Disney	O
to	O
create	O
backgrounds	O
for	O
the	O
2019	O
film	O
The	O
Lion	O
King	O
.	O
</s>
<s>
Automakers	O
use	O
Unity	O
's	O
technology	O
to	O
create	O
full-scale	O
models	O
of	O
new	O
vehicles	O
in	O
virtual	B-Application
reality	I-Application
,	O
build	O
virtual	O
assembly	O
lines	O
,	O
and	O
train	O
workers	O
.	O
</s>
<s>
Unity	O
's	O
engine	O
is	O
used	O
by	O
DeepMind	B-Application
,	O
an	O
Alphabet	O
Inc	O
.	O
company	O
,	O
to	O
train	O
artificial	O
intelligence	O
.	O
</s>
<s>
For	O
example	O
,	O
Unity-chan	O
appears	O
as	O
a	O
playable	O
character	O
in	O
Runbow	B-Application
.	O
</s>
