<s>
Survival	B-Application
games	I-Application
are	O
a	O
subgenre	O
of	O
video	O
games	O
which	O
are	O
usually	O
set	O
in	O
hostile	O
,	O
intense	O
,	O
open-world	O
environments	O
.	O
</s>
<s>
Many	O
survival	B-Application
games	I-Application
are	O
based	O
on	O
randomly	O
or	O
procedurally	O
generated	O
persistent	B-Protocol
environments	I-Protocol
;	O
more	O
recently	O
,	O
survival	B-Application
games	I-Application
are	O
often	O
playable	O
online	O
,	O
allowing	O
players	O
to	O
interact	O
in	O
a	O
single	O
world	O
.	O
</s>
<s>
Survival	B-Application
games	I-Application
are	O
generally	O
open-ended	O
with	O
no	O
set	O
goals	O
and	O
often	O
closely	O
related	O
to	O
the	O
survival	O
horror	O
genre	O
,	O
where	O
the	O
player	O
must	O
survive	O
within	O
a	O
supernatural	O
setting	O
,	O
such	O
as	O
a	O
zombie	B-Application
apocalypse	I-Application
.	O
</s>
<s>
Survival	B-Application
games	I-Application
are	O
video	O
games	O
that	O
focus	O
on	O
survival	O
elements	O
such	O
as	O
resource	O
management	O
,	O
exploration	O
,	O
and	O
item	O
crafting	O
.	O
</s>
<s>
Survival	B-Application
games	I-Application
can	O
be	O
played	O
as	O
a	O
single-player	O
or	O
multiplayer	O
game	O
,	O
and	O
the	O
open-ended	O
nature	O
of	O
these	O
games	O
encourages	O
players	O
to	O
work	O
together	O
to	O
survive	O
against	O
the	O
elements	O
and	O
other	O
threats	O
.	O
</s>
<s>
Crafting	O
is	O
a	O
common	O
feature	O
in	O
survival	B-Application
games	I-Application
,	O
allowing	O
players	O
to	O
combine	O
resources	O
to	O
make	O
new	O
objects	O
for	O
further	O
crafting	O
.	O
</s>
<s>
There	O
is	O
rarely	O
a	O
winning	O
condition	O
for	O
survival	B-Application
games	I-Application
,	O
with	O
the	O
challenge	O
being	O
to	O
last	O
as	O
long	O
as	O
possible	O
,	O
and	O
some	O
games	O
provide	O
quests	O
to	O
help	O
the	O
player	O
learn	O
the	O
game	O
's	O
mechanics	O
and	O
lead	O
them	O
to	O
more	O
dangerous	O
areas	O
where	O
better	O
resources	O
can	O
be	O
found	O
.	O
</s>
<s>
The	O
survival	B-Application
game	I-Application
genre	O
has	O
existed	O
since	O
the	O
early	O
days	O
of	O
the	O
video	O
game	O
industry	O
,	O
with	O
elements	O
of	O
survival	O
present	O
in	O
various	O
sports	O
,	O
fighting	O
,	O
and	O
adventure	O
games	O
.	O
</s>
<s>
The	O
genre	O
started	O
to	O
take	O
shape	O
in	O
the	O
1990s	O
with	O
early	O
examples	O
like	O
UnReal	B-Application
World	I-Application
and	O
SOS	B-Application
.	O
</s>
<s>
However	O
,	O
it	O
was	O
not	O
until	O
the	O
early	O
21st	O
century	O
that	O
the	O
survival	B-Application
game	I-Application
genre	O
became	O
a	O
clearly	O
defined	O
category	O
.	O
</s>
<s>
Minecraft	B-Application
,	O
released	O
in	O
2009	O
,	O
is	O
considered	O
to	O
have	O
popularized	O
the	O
survival	B-Application
game	I-Application
genre	O
with	O
its	O
emphasis	O
on	O
resource	O
gathering	O
and	O
crafting	O
in	O
a	O
procedurally	O
generated	O
world	O
.	O
</s>
<s>
Other	O
key	O
titles	O
in	O
the	O
genre	O
include	O
DayZ	B-Application
,	O
which	O
set	O
players	O
in	O
a	O
post-apocalyptic	O
zombie-infested	O
world	O
and	O
made	O
over	O
$5	O
million	O
in	O
a	O
day	O
.	O
</s>
<s>
Survival	B-Application
games	I-Application
have	O
become	O
a	O
significant	O
market	O
in	O
the	O
video	O
game	O
industry	O
,	O
bringing	O
in	O
over	O
$400	O
million	O
in	O
revenue	O
in	O
the	O
first	O
six	O
months	O
of	O
2017	O
alone	O
.	O
</s>
<s>
Survival	B-Application
games	I-Application
are	O
considered	O
an	O
extension	O
of	O
a	O
common	O
video	O
game	O
theme	O
where	O
the	O
player	O
character	O
is	O
stranded	O
or	O
separated	O
from	O
others	O
and	O
must	O
work	O
alone	O
to	O
survive	O
and	O
complete	O
a	O
goal	O
.	O
</s>
<s>
Survival	B-Application
games	I-Application
focus	O
on	O
the	O
survival	O
parts	O
of	O
these	O
games	O
,	O
while	O
encouraging	O
exploration	O
of	O
an	O
open	O
world	O
.	O
</s>
<s>
Some	O
gameplay	O
elements	O
present	O
in	O
the	O
action-adventure	O
genre	O
—	O
such	O
as	O
resource	O
management	O
and	O
item	O
crafting	O
—	O
are	O
commonly	O
found	O
in	O
survival	B-Application
games	I-Application
and	O
serve	O
as	O
central	O
elements	O
featured	O
in	O
games	O
like	O
Survival	B-Application
Kids	I-Application
.	O
</s>
<s>
At	O
the	O
start	O
of	O
a	O
typical	O
survival	B-Application
game	I-Application
,	O
the	O
player	O
is	O
placed	O
alone	O
in	O
the	O
game	O
's	O
world	O
with	O
few	O
resources	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
survival	B-Application
game	I-Application
,	O
Do	B-Application
n't	I-Application
Starve	I-Application
,	O
features	O
a	O
separate	O
hunger	O
gauge	O
and	O
a	O
sanity	O
meter	O
,	O
which	O
will	O
cause	O
the	O
death	O
of	O
the	O
character	O
if	O
allowed	O
to	O
deplete	O
.	O
</s>
<s>
Other	O
survival	B-Application
games	I-Application
use	O
permadeath	B-Application
:	O
the	O
character	O
has	O
one	O
life	O
,	O
and	O
dying	O
requires	O
that	O
the	O
game	O
be	O
restarted	O
.	O
</s>
<s>
While	O
many	O
survival	B-Application
games	I-Application
are	O
aimed	O
at	O
constantly	O
putting	O
the	O
player	O
at	O
risk	O
from	O
hostile	O
creatures	O
or	O
the	O
environment	O
,	O
others	O
may	O
downplay	O
the	O
amount	O
of	O
danger	O
the	O
player	O
faces	O
and	O
instead	O
encourage	O
more	O
open-world	O
gameplay	O
,	O
where	O
player	O
character	O
death	O
can	O
still	O
occur	O
if	O
the	O
player	O
is	O
not	O
careful	O
or	O
properly	O
equipped	O
.	O
</s>
<s>
Survival	B-Application
games	I-Application
are	O
almost	O
always	O
playable	O
as	O
a	O
single-player	O
game	O
,	O
but	O
many	O
games	O
have	O
been	O
designed	O
to	O
be	O
played	O
in	O
multiplayer	O
,	O
with	O
game	O
servers	O
hosting	O
the	O
persistent	B-Protocol
world	I-Protocol
that	O
players	O
can	O
connect	O
to	O
.	O
</s>
<s>
Many	O
survival	B-Application
games	I-Application
feature	O
crafting	O
;	O
by	O
combining	O
two	O
or	O
more	O
resources	O
,	O
the	O
player	O
can	O
make	O
a	O
new	O
object	O
,	O
which	O
can	O
be	O
used	O
for	O
further	O
crafting	O
.	O
</s>
<s>
Other	O
games	O
can	O
use	O
just	O
one	O
resource	O
to	O
make	O
another	O
,	O
like	O
Subnautica	B-Application
.	O
</s>
<s>
There	O
is	O
rarely	O
a	O
winning	O
condition	O
for	O
survival	B-Application
games	I-Application
:	O
the	O
challenge	O
is	O
to	O
last	O
as	O
long	O
as	O
possible	O
,	O
though	O
some	O
games	O
set	O
a	O
goal	O
for	O
survival	O
time	O
.	O
</s>
<s>
Some	O
survival	B-Application
games	I-Application
provide	O
quests	O
,	O
which	O
help	O
the	O
player	O
learn	O
the	O
game	O
's	O
mechanics	O
and	O
lead	O
them	O
to	O
more	O
dangerous	O
areas	O
,	O
where	O
better	O
resources	O
can	O
be	O
found	O
.	O
</s>
<s>
Minecraft	B-Application
,	O
for	O
example	O
,	O
allows	O
players	O
to	O
place	O
blocks	O
to	O
construct	O
crude	O
shelters	O
for	O
protection	O
,	O
but	O
as	O
they	O
gather	O
more	O
resources	O
and	O
readily	O
survive	O
,	O
players	O
can	O
create	O
massive	O
structures	O
from	O
the	O
game	O
's	O
building	O
blocks	O
,	O
often	O
modeling	O
real-world	O
and	O
fictional	O
buildings	O
.	O
</s>
<s>
Survival	B-Application
games	I-Application
typically	O
feature	O
non-replenishing	O
resources	O
,	O
though	O
the	O
player	O
can	O
take	O
steps	O
to	O
allow	O
new	O
resources	O
to	O
generate	O
.	O
</s>
<s>
For	O
example	O
,	O
in	O
Terraria	B-Application
,	O
chopping	O
down	O
a	O
tree	O
will	O
eliminate	O
that	O
tree	O
,	O
but	O
the	O
player	O
can	O
replant	O
seeds	O
,	O
allowing	O
new	O
trees	O
to	O
grow	O
.	O
</s>
<s>
Many	O
survival	B-Application
games	I-Application
are	O
presented	O
in	O
the	O
first-person	O
perspective	O
to	O
help	O
immerse	O
the	O
player	O
in	O
the	O
game	O
.	O
</s>
<s>
Other	O
titles	O
use	O
other	O
methods	O
of	O
presentation	O
:	O
games	O
like	O
Terraria	B-Application
and	O
Starbound	B-Application
are	O
presented	O
in	O
two-dimensional	O
side	O
views	O
,	O
while	O
Do	B-Application
n't	I-Application
Starve	I-Application
uses	O
sprites	O
rendered	O
in	O
a	O
three-dimensional	O
isometric	O
projection	O
.	O
</s>
<s>
Furthermore	O
,	O
while	O
survival	B-Application
games	I-Application
are	O
considered	O
action	B-Application
games	I-Application
,	O
there	O
are	O
other	O
genres	O
that	O
feature	O
the	O
survival	O
theme	O
,	O
such	O
as	O
the	O
turn-based	O
role-playing	O
games	O
Dead	B-Application
State	I-Application
and	O
NEO	B-Application
Scavenger	I-Application
,	O
and	O
the	O
story-driven	O
first-person	O
shooter	O
series	O
R	O
..	O
</s>
<s>
Survival	O
mechanics	O
,	O
particularly	O
resource	O
gathering	O
,	O
hunting	O
,	O
and	O
crafting	O
,	O
have	O
also	O
been	O
incorporated	O
into	O
games	O
in	O
other	O
genres	O
,	O
such	O
as	O
2013	O
's	O
Tomb	B-Application
Raider	I-Application
and	O
the	O
Far	B-Application
Cry	I-Application
series	O
.	O
</s>
<s>
The	O
basic	O
concept	O
of	O
survival	O
can	O
be	O
found	O
in	O
sports	O
video	O
games	O
(	O
as	O
early	O
as	O
Pong	B-Application
in	O
1972	O
)	O
,	O
fighting	O
games	O
and	O
adventure	O
games	O
,	O
while	O
survival	O
scenarios	O
can	O
be	O
found	O
in	O
classic	O
arcade	O
action	B-Application
games	I-Application
(	O
such	O
as	O
Space	B-Application
Invaders	I-Application
in	O
1978	O
and	O
Pac-Man	B-Application
in	O
1980	O
)	O
and	O
survival	O
horror	O
games	O
(	O
such	O
as	O
Resident	B-Application
Evil	I-Application
in	O
1996	O
)	O
.	O
</s>
<s>
A	O
more	O
specific	O
modern	O
survival	B-Application
game	I-Application
genre	O
began	O
to	O
emerge	O
in	O
the	O
1990s	O
,	O
but	O
was	O
not	O
clearly	O
defined	O
until	O
the	O
early	O
21st	O
century	O
.	O
</s>
<s>
An	O
early	O
example	O
of	O
the	O
survival	B-Application
game	I-Application
genre	O
is	O
UnReal	B-Application
World	I-Application
,	O
which	O
was	O
created	O
by	O
Sami	O
Maaranen	O
in	O
1992	O
and	O
is	O
still	O
in	O
active	O
development	O
.	O
</s>
<s>
Unlike	O
traditional	O
Roguelike	O
games	O
,	O
where	O
there	O
was	O
a	O
goal	O
to	O
reach	O
,	O
UnReal	B-Application
Worlds	I-Application
only	O
goal	O
was	O
to	O
survive	O
as	O
long	O
as	O
possible	O
against	O
wild	O
creatures	O
and	O
the	O
dangers	O
that	O
the	O
snowy	O
weather	O
created	O
.	O
</s>
<s>
Another	O
early	O
example	O
of	O
the	O
survival	B-Application
game	I-Application
genre	O
is	O
the	O
Super	B-Application
Nintendo	I-Application
Entertainment	I-Application
System	I-Application
game	O
SOS	B-Application
,	O
released	O
by	O
Human	O
Entertainment	O
in	O
1993	O
.	O
</s>
<s>
Wurm	B-Protocol
Online	I-Protocol
contains	O
elements	O
that	O
have	O
ultimately	O
influenced	O
a	O
number	O
of	O
survival	B-Application
games	I-Application
.	O
</s>
<s>
Being	O
a	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
(	O
MMORPG	B-Protocol
)	O
,	O
the	O
game	O
sets	O
players	O
as	O
characters	O
in	O
a	O
medieval	O
setting	O
,	O
allows	O
them	O
to	O
terraform	O
the	O
land	O
,	O
create	O
buildings	O
,	O
and	O
effectively	O
develop	O
their	O
own	O
kingdoms	O
.	O
</s>
<s>
Persson	O
became	O
instrumental	O
in	O
developing	O
Minecraft	B-Application
,	O
which	O
many	O
consider	O
to	O
have	O
popularised	O
the	O
survival	B-Application
game	I-Application
genre	O
.	O
</s>
<s>
From	O
its	O
initial	O
public	O
release	O
in	O
2009	O
,	O
Minecraft	B-Application
focuses	O
on	O
resource-gathering	O
and	O
crafting	O
in	O
a	O
procedurally-generated	O
world	O
,	O
and	O
requires	O
the	O
player	O
to	O
defend	O
themselves	O
during	O
night	O
cycles	O
while	O
gathering	O
resources	O
at	O
other	O
times	O
.	O
</s>
<s>
Another	O
key	O
title	O
in	O
the	O
survival	O
genre	O
was	O
DayZ	B-Application
.	O
</s>
<s>
It	O
was	O
originally	O
released	O
as	O
a	B-Application
mod	I-Application
for	O
ARMA	B-Application
2	I-Application
in	O
2012	O
,	O
but	O
was	O
later	O
released	O
as	O
a	O
standalone	O
game	O
,	O
making	O
over	O
$5	O
million	O
in	O
one	O
day	O
once	O
it	O
became	O
available	O
.	O
</s>
<s>
The	O
game	O
sets	O
the	O
players	O
in	O
the	O
aftermath	O
of	O
a	O
zombie	B-Application
apocalypse	I-Application
,	O
where	O
they	O
must	O
avoid	O
hordes	O
of	O
zombies	B-Application
while	O
scavenging	O
through	O
the	O
remains	O
of	O
human	O
civilization	O
for	O
resources	O
.	O
</s>
<s>
As	O
a	O
result	O
of	O
the	O
financial	O
success	O
of	O
Minecraft	B-Application
and	O
DayZ	B-Application
,	O
numerous	O
titles	O
of	O
the	O
survival	O
genre	O
were	O
released	O
from	O
2012	O
onward	O
.	O
</s>
<s>
The	O
research	O
firm	O
SuperData	O
estimated	O
that	O
survival	B-Application
games	I-Application
brought	O
in	O
over	O
$400million	O
in	O
revenue	O
over	O
the	O
first	O
six	O
months	O
of	O
2017	O
,	O
making	O
the	O
genre	O
one	O
of	O
the	O
largest	O
markets	O
in	O
the	O
video	O
game	O
industry	O
.	O
</s>
