<s>
This	O
is	O
a	O
selected	O
list	O
of	O
multiplayer	O
online	B-Application
games	I-Application
which	O
are	O
free	O
to	O
play	O
in	O
some	O
form	O
without	O
ever	O
requiring	O
a	O
subscription	O
or	O
other	O
payment	O
.	O
</s>
<s>
Wildfire	O
Games	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
BSD	B-Operating_System
Real-time	O
strategy	O
Free	O
to	O
Play	O
historical	O
war	O
and	O
economy	O
game	O
3D	O
Alien	B-Application
Arena	I-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
BSD	B-Operating_System
first-person	O
shooter	O
Free	O
to	O
play	O
1950s-era	O
sci-fi	O
shooter	O
3D	O
AssaultCube	B-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
Android	B-Application
Tactical	O
first-person	O
shooter	O
Free	O
to	O
play	O
fast	O
paced	O
shooter	O
with	O
special	O
movements	O
3D	O
Allegiance	B-Application
Microsoft	O
Research	O
Windows	B-Application
Space	O
simulation	O
,	O
RTS	O
Free	O
to	O
play	O
Players	O
control	O
space	O
fighter	O
ships	O
,	O
and	O
fight	O
for	O
various	O
factions	O
.	O
</s>
<s>
3D	O
C-Dogs	B-Application
SDL	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Shoot	O
'	O
em	O
up	O
Free	O
to	O
play	O
features	O
both	O
co-op	O
and	O
deathmatch	O
3D	O
Cube	B-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
AmigaOS	B-Application
4	I-Application
,	O
AROS	B-Application
,	O
iPhone	B-Device
,	O
Wii	B-Operating_System
,	O
Pocket	B-Device
PC	I-Device
first-person	O
shooter	O
Free	O
to	O
play	O
multiplayer	O
shooter	O
with	O
multiple	O
game	O
modes	O
3D	O
Cube	B-Application
2	I-Application
:	I-Application
Sauerbraten	I-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
Linux	B-Application
,	O
BSD	B-Operating_System
,	O
OS	B-Operating_System
X	I-Operating_System
first-person	O
shooter	O
Free	O
to	O
play	O
shooter	O
with	O
real-time	O
editing	O
3DFantasy	O
Masters	O
Zeonix	O
Windows	B-Application
Collectible	O
card	O
game	O
Free	O
to	O
play	O
Network	O
trading	O
card	O
game	O
.	O
</s>
<s>
2DFreeciv	O
Free	O
Software	O
community	O
Linux	B-Application
Turn-based	O
strategy	O
Free	O
to	O
play	O
Build	O
,	O
explore	O
and	O
conquer	O
.	O
</s>
<s>
2DGlobulation	O
2	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Real-time	O
strategy	O
Free	O
to	O
play	O
Aims	O
to	O
reduce	O
micromanagement	O
2DOpenArena	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
First-person	O
shooter	O
Free	O
to	O
Play	O
Open	O
source	O
quake	O
3	O
clone	O
.	O
</s>
<s>
3DOpenClonk	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
action	B-Application
game	I-Application
Free	O
to	O
Play	O
mining	O
,	O
settling	O
and	O
PvP	O
combat	O
2DOpenTTD	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Business	B-Application
simulation	I-Application
game	I-Application
Free	O
to	O
Play	O
logistics	O
simulator	O
with	O
construction	O
elements	O
2DOpenRA	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Real-time	O
strategy	O
Free	O
to	O
Play	O
Command	B-Application
&	I-Application
Conquer	I-Application
reimplementation	O
with	O
gameplay	O
modernisation	O
2DPokerTH	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
Maemo	B-Operating_System
,	O
Android	B-Application
Card	O
game	O
Free	O
to	O
Play	O
Texas	B-Device
hold	I-Device
'	I-Device
em	I-Device
simulator	O
2DTetriNET	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
Linux	B-Application
,	O
MacOS	B-Operating_System
,	O
BeOS	B-Application
Puzzle	O
video	O
game	O
Free	O
to	O
Play	O
multiplayer	O
online	O
Tetris	B-Device
2DLiquid	O
War	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
action	B-Application
game	I-Application
Free	O
to	O
play	O
Based	O
on	O
particle	O
flow	O
dynamics	O
2DMegaGlest	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Real-time	O
strategy	O
Free	O
to	O
play	O
Fantasy	O
strategy	O
game	O
with	O
magic	O
and	O
steampunk	O
elements	O
3DMinetest	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
Android	B-Application
Sandbox	O
game	O
Free	O
to	O
play	O
Survival	O
game	O
with	O
voxel	O
view	O
similar	O
to	O
Minecraft	B-Application
3D	O
Red	B-Application
Eclipse	I-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
Android	B-Application
first-person	O
shooter	O
Free	O
to	O
play	O
science-fiction	O
shooter	O
with	O
parkour	O
movements	O
3D	O
Smokin	B-Application
 '	I-Application
Guns	I-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
first-person	O
shooter	O
Free	O
to	O
play	O
western	O
themed	O
3DSubSpace	O
Virgin	O
Interactive	O
Windows	B-Application
Action	B-Application
game	I-Application
Free	O
to	O
play	O
2D	O
space	O
shooting	O
2DSuperTuxKart	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
Android	B-Application
,	O
iOS	B-Application
,	O
Switch	B-Application
Racing	O
game	O
Free	O
to	O
play	O
arcade	O
kart	O
racing	O
game	O
3D	O
The	B-Application
Battle	I-Application
for	I-Application
Wesnoth	I-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Turn-based	O
strategy	O
Free	O
to	O
play	O
hex	O
cell	O
based	O
strategy	O
with	O
high	O
fantasy	O
theme	O
2D	O
Teeworlds	B-Application
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Platform	O
,	O
Action	B-Application
Free	O
to	O
play	O
2D	O
Action	B-Application
Platformer	O
with	O
a	O
grappling	O
hook	O
.	O
</s>
<s>
2DUrban	O
Terror	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
First-person	O
shooter	O
Free	O
to	O
Play	O
Open	O
source	O
stand	O
alone	O
game	O
based	O
on	O
a	O
quake	O
3	O
mod	O
.	O
</s>
<s>
3DUnvanquished	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
first-person	O
shooter	O
,	O
real-time	O
strategy	O
Free	O
to	O
Play	O
sci-fi	O
themed	O
team	O
game	O
2DWarzone	O
2100	O
Pumpkin	O
Studios	O
,	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
real-time	O
strategy	O
and	O
real-time	B-Application
tactics	I-Application
Free	O
to	O
Play	O
post-apocalyptic	O
,	O
military-science-fiction	O
setting	O
3DWidelands	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
Real-time	O
strategy	O
Free	O
to	O
Play	O
construction	O
game	O
with	O
indirect	O
controls	O
2DWorld	O
of	O
Padman	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
First-person	O
shooter	O
Free	O
to	O
Play	O
based	O
on	O
a	O
video	O
game	O
cartoon	O
series	O
2DXonotic	O
Free	O
Software	O
community	O
Windows	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
First-person	O
shooter	O
Free	O
to	O
Play	O
Fast-paced	O
open-source	O
FPS	O
.	O
</s>
<s>
Developer(s )	O
Release	O
dateRequired	O
OSGenrePaymentSynopsisTypeApex	O
LegendsRespawn	O
Entertainment2019Windows	O
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
OneBattle	O
royaleFree	O
to	O
playApex	O
Legends	O
fuses	O
elements	O
of	O
a	O
variety	O
of	O
video	O
games	O
,	O
including	O
Respawn	O
's	O
own	O
Titanfall	B-Application
series	O
,	O
battle	O
royale	O
games	O
,	O
and	O
class-based	O
shooters.3DBattlefield	O
HeroesEA	O
Games	O
2009WindowsFirst-person	O
shooter	O
Free	O
to	O
play	O
,	O
with	O
the	O
option	O
to	O
purchase	O
accessories	O
such	O
as	O
guns	O
,	O
clothes	O
,	O
widgets	O
etc	O
.	O
</s>
<s>
Each	O
player	O
chooses	O
a	O
unique	O
playable	O
character	O
called	O
a	O
Champion	O
with	O
unique	O
offensive	O
,	O
defensive	O
,	O
and	O
movement	O
abilities.3DBrawlhallaBlue	O
Mammoth	O
Games2017Windows	O
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
One	I-Device
,	O
Nintendo	O
SwitchFightingFree	O
to	O
playA	O
platform	O
fighter	O
for	O
up	O
to	O
8	O
players	O
with	O
the	O
goal	O
to	O
knock	O
one	O
's	O
opponent	O
off	O
the	O
stage2DBloodline	O
Champions	O
Stunlock	O
Studios	O
2011WindowsMOBA	O
Free	O
to	O
play	O
,	O
with	O
option	O
to	O
unlock	O
more	O
cosmetic	O
items	O
and	O
usable	O
characters	O
.	O
</s>
<s>
3DCall	O
of	O
Duty	O
:	O
WarzoneInfinity	O
Ward	O
,	O
Raven	O
Software2020Windows	O
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
OneBattle	O
royaleFree	O
to	O
playThe	O
title	O
is	O
a	O
part	O
of	O
the	O
2019	O
video	O
game	O
Call	O
of	O
Duty	O
:	O
Modern	O
Warfare	O
but	O
does	O
not	O
require	O
the	O
purchase	O
of	O
it.3DCompany	O
of	O
Heroes	O
OnlineTHQ	O
2010-2011WindowsReal-time	O
strategy	O
Free	O
to	O
play	O
,	O
with	O
option	O
to	O
purchase	O
convenience	O
items	O
Action	B-Application
WWII	O
game	O
where	O
players	O
quickly	O
build	O
a	O
force	O
to	O
gain	O
control	O
of	O
the	O
map	O
in	O
1v1	O
through	O
4v4	O
games	O
in	O
multiplayer	O
or	O
play	O
alone	O
.	O
</s>
<s>
3DDestiny	O
2Bungie2017WindowsFirst-person	O
shooterFree	O
to	O
PlayA	O
game	O
that	O
incorporates	O
role-playing	O
and	O
massively	B-Application
multiplayer	I-Application
online	I-Application
game	I-Application
(	O
MMO	B-Application
)	O
elements.3DDota	O
2Valve	O
2013Windows	O
,	O
macOS	B-Operating_System
,	O
LinuxMOBA	O
Free	O
to	O
play	O
,	O
with	O
various	O
cosmetic	O
customization	O
options	O
available	O
for	O
purchase	O
.	O
</s>
<s>
3DFortnite	O
Battle	O
RoyaleEpic	O
Games2017Windows	O
,	O
macOSBattle	O
royaleFree	O
to	O
play100	O
players	O
skydive	O
onto	O
an	O
island	O
and	O
scavenge	O
for	O
gear	O
to	O
defend	O
themselves	O
from	O
other	O
players	O
;	O
the	O
last	O
player	O
or	O
team	O
alive	O
wins	O
the	O
match.3DGuns	O
and	O
RobotsMasthead	O
Studios	O
2013WindowsThird-person	O
shooter	O
Free	O
to	O
play	O
,	O
with	O
the	O
option	O
to	O
purchase	O
additional	O
content	O
Comic-style	O
,	O
robot	O
creation	O
,	O
online	O
shooter	O
3DHeroes	O
of	O
NewerthS2	O
Games2010WindowsMOBAFree	O
to	O
PlayOne	O
of	O
the	O
spiritual	O
successors	O
to	O
the	O
Warcraft	O
III	O
mod	O
Defense	O
of	O
the	O
Ancients	O
(	O
DotA	O
)	O
3DHeroes	O
of	O
the	O
StormBlizzard	O
Entertainment2015Windows	O
,	O
macOSMOBAFree	O
to	O
play	O
,	O
with	O
options	O
to	O
purchase	O
cosmetics	O
and	O
permanently	O
unlock	O
playable	O
heroesThe	O
game	O
features	O
various	O
characters	O
from	O
Blizzard	O
's	O
franchises	O
as	O
playable	O
heroes	O
,	O
as	O
well	O
as	O
different	O
battlegrounds	O
based	O
on	O
Warcraft	O
,	O
Diablo	O
,	O
StarCraft	O
,	O
and	O
Overwatch	O
universes.3DLeague	O
of	O
LegendsRiot	O
Games	O
2009Windows	O
,	O
macOSMOBA	O
Free	O
to	O
play	O
,	O
with	O
options	O
to	O
purchase	O
cosmetics	O
and	O
unlock	O
additional	O
heroes	O
with	O
premium	O
currency	O
in	O
addition	O
to	O
ingame	O
currency	O
Players	O
control	O
different	O
heroes	O
in	O
a	O
5	O
vs	O
5	O
battle	O
to	O
control	O
lanes	O
3DPaladinsHi-Rez	O
Studios2018Windows	O
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
OneFirst-person	O
shooterFree	O
to	O
playHero	O
shooter	O
video	O
game3DRec	O
Room	O
Against	O
Gravity	O
2016Windows	O
,	O
PlayStation	O
4First-person	O
shooter	O
,	O
Action	B-Application
RPG	I-Application
,	O
Sports	O
Free	O
to	O
play	O
Social	O
VR	O
game	O
including	O
multiple	O
game	O
experiences	O
,	O
including	O
FPS	O
,	O
action	B-Application
RPG	I-Application
,	O
and	O
sports	O
3DSmiteHi-Rez	O
Studios2014Windows	O
,	O
macOS	B-Operating_System
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
OneMOBAFree	O
to	O
playPlayers	O
control	O
a	O
god	O
,	O
goddess	O
,	O
or	O
other	O
mythological	O
figure	O
,	O
and	O
take	O
part	O
in	O
team-based	O
combat3DTeam	O
Fortress	O
2Valve	O
2007Windows	O
,	O
macOS	B-Operating_System
,	O
LinuxFirst-person	O
shooter	O
Free-to-play	O
in	O
perpetuity	O
from	O
June	O
2011	O
,	O
with	O
some	O
cosmetic	O
in-game	O
items	O
available	O
for	O
purchase	O
on	O
a	O
microtransaction	O
basis	O
.	O
</s>
<s>
Cartoon-style	O
first	O
person	O
shooter	O
where	O
two	O
opposing	O
but	O
functionally	O
identical	O
factions	O
battle	O
for	O
control	O
of	O
maps	O
3DTransformiceAtelier	O
801	O
2010Windows	O
,	O
macOS	B-Operating_System
,	O
LinuxMMO	O
,	O
Platform	O
Free-to-play	O
Collect	O
cheese	O
playing	O
as	O
a	O
mouse	O
and	O
take	O
it	O
back	O
to	O
the	O
hole	O
.	O
</s>
