<s>
A	O
tile-based	B-Application
video	I-Application
game	I-Application
is	O
a	O
type	O
of	O
video	O
or	O
video	O
game	O
where	O
the	O
playing	O
area	O
consists	O
of	O
small	O
square	O
(	O
or	O
,	O
much	O
less	O
often	O
,	O
rectangular	O
,	O
parallelogram	O
,	O
or	O
hexagonal	O
)	O
graphic	O
images	O
referred	O
to	O
as	O
tiles	O
laid	O
out	O
in	O
a	O
grid	O
.	O
</s>
<s>
For	O
example	O
,	O
Pac-Man	B-Application
is	O
an	O
action	O
game	O
,	O
Ultima	B-Application
III	I-Application
is	O
a	O
role-playing	O
video	O
game	O
and	O
Civilization	B-Application
is	I-Application
a	O
turn-based	O
strategy	O
game	O
,	O
but	O
all	O
three	O
render	O
the	O
world	O
as	O
tiles	O
.	O
</s>
<s>
Ultima	B-Application
III	I-Application
and	O
Civilization	B-Application
draw	O
the	O
tiles	O
via	O
software	O
,	O
while	O
the	O
maze	O
in	O
the	O
original	O
arcade	O
version	O
of	O
Pac-Man	B-Application
is	O
made	O
of	O
tiles	O
displayed	O
by	O
the	O
game	O
's	O
graphics	O
hardware	O
.	O
</s>
<s>
Tile-based	B-Application
video	I-Application
games	I-Application
usually	O
use	O
a	O
texture	O
atlas	O
for	O
performance	O
reasons	O
.	O
</s>
<s>
They	O
also	O
store	O
metadata	O
about	O
the	O
tiles	O
,	O
such	O
as	O
collision	O
,	O
damage	O
,	O
and	O
entities	O
,	O
either	O
with	O
a	O
2-dimensional	O
array	B-Data_Structure
mapping	O
the	O
tiles	O
,	O
or	O
a	O
second	O
texture	O
atlas	O
mirroring	O
the	O
visual	O
one	O
but	O
coding	O
metadata	O
by	O
colour	O
.	O
</s>
<s>
This	O
approach	O
allows	O
for	O
simple	O
,	O
visual	O
map	O
data	O
,	O
letting	O
level	O
designers	O
create	O
entire	O
worlds	O
with	O
a	O
tile	O
reference	O
sheet	O
and	O
perhaps	O
a	O
text	B-Application
editor	I-Application
,	O
a	O
paint	B-Application
program	I-Application
,	O
or	O
a	O
simple	O
level	O
editor	O
(	O
many	O
older	O
games	O
included	O
the	O
editor	O
in	O
the	O
game	O
)	O
.	O
</s>
<s>
Examples	O
of	O
tile-based	O
game	O
engine/IDEs	O
include	O
RPG	B-Application
Maker	I-Application
,	O
Game	B-Operating_System
Maker	I-Operating_System
,	O
Construct	B-Operating_System
,	O
and	O
Godot	B-Application
.	O
</s>
<s>
Ultima	B-Application
7	I-Application
uses	O
a	O
"	O
tile	O
,	O
"	O
"	O
chunk	O
"	O
and	O
"	O
superchunk	O
"	O
three-layer	O
system	O
to	O
construct	B-Operating_System
an	O
enormous	O
,	O
detailed	O
world	O
within	O
the	O
PCs	O
of	O
the	O
early	O
1990s	O
.	O
</s>
<s>
The	O
tile-map	O
model	O
was	O
introduced	O
to	O
video	O
games	O
by	O
Namco	O
's	O
arcade	O
game	O
Galaxian	B-Application
(	O
1979	B-Application
)	O
,	O
which	O
ran	O
on	O
the	O
Namco	O
Galaxian	B-Application
arcade	O
system	O
board	O
,	O
capable	O
of	O
displaying	O
multiple	O
colors	O
per	O
tile	O
as	O
well	O
as	O
scrolling	O
.	O
</s>
<s>
It	O
used	O
a	O
tile	O
size	O
of	O
8×8	O
pixels	B-Algorithm
,	O
which	O
since	O
became	O
the	O
most	O
common	O
tile	O
size	O
used	O
in	O
video	O
games	O
.	O
</s>
<s>
A	O
tilemap	O
consisting	O
of	O
8×8	O
tiles	O
required	O
64	O
times	O
less	O
memory	O
and	O
processing	O
time	O
than	O
a	O
non-tiled	O
framebuffer	B-Algorithm
,	O
which	O
allowed	O
Galaxians	B-Application
tile-map	O
system	O
to	O
display	O
more	O
sophisticated	O
graphics	O
,	O
and	O
with	O
better	O
performance	O
,	O
than	O
the	O
more	O
intensive	O
framebuffer	B-Algorithm
system	O
previously	O
used	O
by	O
Space	B-Application
Invaders	I-Application
(	O
1978	B-Application
)	O
.	O
</s>
<s>
Video	B-Device
game	I-Device
consoles	I-Device
such	O
as	O
the	O
Intellivision	B-Operating_System
,	O
released	O
in	O
1979	B-Application
,	O
were	O
designed	O
to	O
use	O
tile-based	O
graphics	O
,	O
since	O
their	O
games	O
had	O
to	O
fit	O
into	O
video	B-Protocol
game	I-Protocol
cartridges	I-Protocol
as	O
small	O
as	O
4K	O
in	O
size	O
,	O
and	O
all	O
games	O
on	O
the	O
platform	O
were	O
tile-based	O
.	O
</s>
<s>
Home	O
computers	O
had	O
hardware	O
tile	O
support	O
in	O
the	O
form	O
of	O
ASCII	B-Protocol
characters	I-Protocol
arranged	O
in	O
a	O
grid	O
,	O
usually	O
for	O
the	O
purposes	O
of	O
displaying	O
text	O
,	O
but	O
games	O
could	O
be	O
written	O
using	O
letters	O
and	O
punctuation	O
as	O
game	O
elements	O
.	O
</s>
<s>
The	O
Atari	B-Device
400/800	I-Device
home	O
computers	O
,	O
released	O
in	O
1979	B-Application
,	O
allow	O
the	O
standard	O
character	O
set	O
to	O
be	O
replaced	O
by	O
a	O
custom	O
one	O
.	O
</s>
<s>
The	O
new	O
characters	O
do	O
n't	O
have	O
to	O
be	O
glyphs	O
,	O
but	O
the	O
walls	O
of	O
a	O
maze	O
or	O
ladders	O
or	O
any	O
game	O
graphics	O
that	O
fit	O
in	O
an	O
8x8	O
pixel	B-Algorithm
square	O
.	O
</s>
<s>
In	O
most	O
modes	O
,	O
individual	O
monochrome	O
characters	O
can	O
be	O
displayed	O
in	O
one	O
of	O
four	O
colors	O
;	O
others	O
allow	O
characters	O
to	O
be	O
constructed	O
of	O
2-bit	O
(	O
4	O
color	O
)	O
pixels	B-Algorithm
instead	O
.	O
</s>
<s>
The	O
tile	O
model	O
became	O
widely	O
used	O
in	O
specific	O
game	O
genres	O
such	O
as	O
platformers	O
and	O
role-playing	O
video	O
games	O
,	O
and	O
reached	O
its	O
peak	O
during	O
the	O
8-bit	B-Application
and	O
16-bit	B-Application
eras	I-Application
of	O
consoles	O
,	O
with	O
games	O
such	O
as	O
Mega	B-Application
Man	I-Application
(	O
NES	O
)	O
,	O
The	B-Application
Legend	I-Application
of	I-Application
Zelda	I-Application
:	I-Application
A	I-Application
Link	I-Application
to	I-Application
the	I-Application
Past	I-Application
(	O
SNES	B-Application
)	O
and	O
Shining	B-Architecture
Force	I-Architecture
(	O
Mega	B-Operating_System
Drive	I-Operating_System
)	O
being	O
prime	O
examples	O
of	O
tile-based	O
games	O
,	O
producing	O
a	O
highly	O
recognizable	O
look	O
and	O
feel	O
.	O
</s>
<s>
The	O
top-down	O
perspective	O
evolved	O
to	O
a	O
simulated	O
45-degree	O
angle	O
,	O
seen	O
in	O
1994	O
's	O
Final	B-Application
Fantasy	I-Application
VI	I-Application
,	O
allowing	O
the	O
player	O
to	O
see	O
both	O
the	O
top	O
and	O
one	O
side	O
of	O
objects	O
,	O
to	O
give	O
more	O
sense	O
of	O
depth	O
;	O
this	O
style	O
dominated	O
8-bit	B-Application
and	O
16-bit	B-Application
console	I-Application
role-playing	O
games	O
.	O
</s>
<s>
Ultimate	O
Play	O
the	O
Game	O
developed	O
a	O
series	O
of	O
video	O
games	O
in	O
the	O
1980s	O
that	O
employed	O
a	O
tile-based	O
isometric	B-Application
perspective	I-Application
.	O
</s>
<s>
The	O
Avernum	B-Operating_System
series	I-Operating_System
,	O
which	O
remade	O
the	O
top-down	O
role-playing	O
series	O
Exile	B-Application
with	O
an	O
isometric	O
engine	O
.	O
</s>
<s>
Hexagonal	O
tile-based	O
games	O
have	O
been	O
limited	O
for	O
the	O
most	O
part	O
to	O
the	O
strategy	O
and	O
wargaming	B-Application
genres	O
.	O
</s>
<s>
Notable	O
examples	O
include	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
game	O
Master	B-Application
of	I-Application
Monsters	I-Application
,	O
SSI	O
's	O
Five	O
Star	O
series	O
of	O
wargames	B-Application
starting	O
with	O
Panzer	B-Application
General	I-Application
,	O
the	O
Age	B-Application
of	I-Application
Wonders	I-Application
series	O
and	O
Battle	B-Application
for	I-Application
Wesnoth	I-Application
.	O
</s>
