Oninaki
PC , PS4 , Switch
Aug 22, 2019
Square Enix Tokyo RPG Factory Role-playing (RPG)
Single player
N/A
228
Odin Sphere: Leifthrasir
PS3 , Vita , PS4
Jan 14, 2016
Atlus , Square Enix Vanillaware Role-playing (RPG)
Single player
N/A
200
Order: VR
PC
Aug 2, 2017
Role-playing (RPG)
Single player
N/A
58
Oreshika: Tainted Bloodlines
Vita
Jul 17, 2014
Sony Computer Entertainment , Sony Computer Entertainment - duplicate Alfa System Role-playing (RPG)
Single player
N/A
254
Otherland
Role-playing (RPG)
Massively Multiplayer Online (MMO)
N/A
3
One Punch Man: Road to Hero
Android , iOS
Aug 20, 2019
Oasis Games Oasis Games Role-playing (RPG)
Single player, Multiplayer
N/A
161
Oni V: Innin no Tsugumono
Game Boy
Mar 24, 1995
Banpresto Pandora Box Role-playing (RPG)
N/A
192
Odin Sphere
PS2 , psn
May 17, 2007
Atlus , Square Enix Vanillaware Role-playing (RPG)
Single player
N/A
4
OVERHIT
Android , iOS
Nov 28, 2017
Nexon Nat Games Role-playing (RPG)
Single player
N/A
18
Orpheus
PC
Oct 29, 2018
Garnudo Games Garnudo Games Role-playing (RPG)
Single player
N/A
81
Otome Yusha
Android , iOS
Dec 31, 2018
Level-5 h.a.n.d., Inc. , Level-5 Role-playing (RPG)
Single player
N/A
16
Ocean Legend
Role-playing (RPG)
N/A
1
One Piece: Romance Dawn
3DS , PSP
Dec 20, 2012
Bandai Namco Entertainment Three Rings Inc. Role-playing (RPG)
Single player
N/A
222
Odin Sphere Leifthrasir - Storybook Edition
PS4
Jul 7, 2016
Role-playing (RPG)
N/A
36
Old School RuneScape
PC , Mac , Android , iOS
Feb 22, 2013
Jagex
Role-playing (RPG)
Massively Multiplayer Online (MMO)
N/A
169
Onigiri
PC , PS4 , XONE , Switch
Feb 6, 2013
CyberStep CyberStep Role-playing (RPG)
Multiplayer, Co-operative, Massively Multiplayer Online (MMO)
N/A
216
Otaku no Seiza: An Adventure in the Otaku Galaxy
NES
Aug 30, 1991
Role-playing (RPG)
N/A
7
Omega Labyrinth Life
PC , PS4 , Switch
Aug 1, 2019
D3 Publisher Matrix Software Role-playing (RPG)
Single player
5
427
Outlanders
NES
Dec 4, 1987
Victor Musical Industries Micronics Role-playing (RPG)
Single player
N/A
51
Ouristsu Anaboko Gakuen
Ancient Ancient Role-playing (RPG)
Single player
N/A
5
Outward
PC , PS4 , XONE
Mar 26, 2019
Deep Silver , Koch Media Maximum Games , Nine Dots Studio Role-playing (RPG)
Single player, Multiplayer, Co-operative, Split screen
N/A
143
Orbital 1
Android , iOS
Mar 28, 2018
Etermax Etermax Real Time Strategy (RTS), Indie
Single player, Multiplayer
N/A
75
Oil Rush
Linux , PC , PS3 , Mac
Jan 1, 2012
Unigine Corp Unigine Corp Real Time Strategy (RTS), Strategy, Indie
Single player, Multiplayer
N/A
107
OTTTD
Linux , PC , Mac
Aug 6, 2014
SMG Studio SMG Studio Real Time Strategy (RTS), Strategy, Indie
Single player
N/A
52
Odama
NGC
Mar 31, 2006
Nintendo Vivarium Real Time Strategy (RTS), Strategy, Pinball
Single player
8
239
Orcs Must Die! Unchained
PC , psn , PS4
Mar 19, 2017
Robot Entertainment Robot Entertainment Real Time Strategy (RTS), Strategy, Tactical, Indie
Single player, Multiplayer, Co-operative
N/A
130
Outpost: Save Yourselves
Real Time Strategy (RTS), Strategy
N/A
3
Overlord
NES
Dec 31, 1992
Virgin Games Ltd. Probe Software Real Time Strategy (RTS), Strategy
N/A
189
Once Upon A Knight
PC
Sep 23, 2003
Real Time Strategy (RTS), Strategy
N/A
3
Order of War: Challenge
Real Time Strategy (RTS), Strategy
N/A
2
OctagonEdges
Real Time Strategy (RTS), Strategy
N/A
1
OpenRA
Linux , PC
Jan 1, 2007
Real Time Strategy (RTS), Strategy
Single player, Multiplayer
N/A
68
Officers
Real Time Strategy (RTS), Strategy
N/A
21
Order of War
PC
Sep 22, 2009
Square Enix Wargaming.net Real Time Strategy (RTS), Strategy
Single player, Multiplayer
N/A
94
Overreign
PC
Apr 10, 2019
SpriteBlood SpriteBlood Real Time Strategy (RTS), Strategy
Single player, Multiplayer
N/A
118
One Tower
PC
Nov 11, 2016
SkyReacher Entertainment SkyReacher Entertainment Real Time Strategy (RTS), Strategy
Multiplayer
N/A
70
Offworld Trading Company
PC , Mac
Apr 28, 2016
Stardock mohawk games Real Time Strategy (RTS), Simulator, Strategy, Indie
Single player, Multiplayer, Co-operative
N/A
116
Outlive
PC
Mar 19, 2001
Take-Two Interactive , Continuum Entertainment Continuum Entertainment Real Time Strategy (RTS), Simulator, Strategy
Single player, Multiplayer
N/A
123
OpenTTD
Linux , PC , Mac
Mar 14, 2004
Real Time Strategy (RTS), Simulator, Strategy
Single player, Multiplayer, Co-operative
N/A
53
OGame
browser
Oct 3, 2002
Gameforge Gameforge Real Time Strategy (RTS), Simulator, Sport, Strategy, Turn-based strategy (TBS)
Single player, Multiplayer, Co-operative, Massively Multiplayer Online (MMO)
N/A
182
Omerta: City of Gangsters - The Arms Industry
Real Time Strategy (RTS), Simulator
Single player, Multiplayer
N/A
3
Ogre Battle: The March of the Black Queen
Wii , PS1 , SNES , Saturn , WiiU , VC
Mar 12, 1993
Artdink , Atlus USA , Enix America Corporation , Infinity , Quest , Riverhillsoft Quest , Riverhillsoft Real Time Strategy (RTS), Role-playing (RPG), Strategy, Adventure
Single player
N/A
397
Ogre Battle 64: Person of Lordly Caliber
N64 , Wii , VC
Jul 14, 1999
Atlus , Nintendo , Nintendo of Europe , Square Enix , Quest Dual Corporation , Quest Real Time Strategy (RTS), Role-playing (RPG), Strategy, Adventure
Single player
8
515
Order & Chaos Online
Real Time Strategy (RTS), Role-playing (RPG), Strategy
Massively Multiplayer Online (MMO)
N/A
1
Omen: Flesh Metal & Magic
Occult Media Occult Media Real Time Strategy (RTS)
Multiplayer
N/A
61
Officers: World War II - Operation Overlord
PC
Dec 31, 2008
Kalypso Media
Real Time Strategy (RTS)
Single player
N/A
7
OutRun
DOS , C64 , Amiga , ACPC , ZXS , MSX , Genesis , Saturn , Game Gear , Arcade , Atari-ST , SMS , turbografx16
Sep 25, 1986
Mindscape, Inc. , NEC Avenue, Ltd. , SEGA Enterprises Ltd. , U.S. Gold Sega AM2 , SEGA Enterprises Ltd. Racing, Arcade
Single player
9
321
OutRun 3-D
SMS
Dec 31, 1988
SEGA Enterprises Ltd. SEGA Enterprises Ltd. Racing, Arcade
Single player
N/A
7
OutRun Europa
C64 , Amiga , ACPC , ZXS , Game Gear , Atari-ST , SMS
Dec 31, 1991
U.S. Gold Probe Software Racing, Arcade
Single player
N/A
5
Office Race
Racing, Indie
Single player
N/A
70
