OpenRA
2
Strategy | 12 players | 2007
4
Open Transport Tycoon Deluxe
5
Management | 32 players | 2004
One Piece: Gigant Battle! 2 New World
2
Fighting | 4 players | 2011
OptiDoom
Action - FPS | 1 player | 2021
Okamiden
2
Action - Adventure | 1 player | 2011
1
OverKart 64
1
Action - Platformer | 4 players | 2021
1
Out Zone
11
Shoot'em up | 2 players | 1990
Order Up!
Management - Simulation | 1 player | 2008
2
One Piece Grand Battle!
9
Fighting | 2 players | 2003
4
Oui-Oui : L'Aventure magique
5
Adventure - Edutainment | 1 player | 2000
Outpost 69: Lust in Space
Adventure - Adult | 1 player | 1996
OutRun
2
Racing | 2 players | 1991
One Must Fall 2097
Action - Fighting | 2 players | 1994
1
Onimusha Tactics
1
Tactical - RPG | 1 player | 2003
Outtrigger
1
FPS | 4 players | 2001
Ooumi Nobunaga Den: Geten II
Strategy - Tactical | 1 player | 1997
Oneesan to Issho! Janken Paradise
Adult - Strategy | 1 player | 1994
Orcs & Elves
RPG | 1 player | 2007
Oregon Trail II
Adventure - Simulation - Edutainment | 1 player | 1995
One Piece: Grand Adventure
4
Fighting | 2 players | 2006
Othello
Board game - Reflexion | 2 players | 1988
6
O.D.T.: Escape... Or Die Trying
18
Action - Adventure - RPG | 1 player | 1998
Oui-Oui
1
Action - Platformer | 1 player | 2000
Oktoberfest: The Official Game
Party game | 1 player | 2009
Official U.S Playstation Magazine Demo Disc #64
Compilation | 2 players | 2003
Oneesan to Issho! Kisekae Paradise
1
Adult | 1 player | 1995
1
Odama
Pinball - Strategy | 1 player | 2006
1
Out Run
9
Racing | 1 player | 1987
1
OverBlood
2
Survival - Horror | 1 player | 1997
Ougon no Taiyou: Hirakareshi Fuuin
1
RPG | 2 players | 2001
One Piece: Pirates' Carnival
5
Party game | 4 players | 2006
O.D.T.: Escape... Or Die Trying
1
Action - Adventure - RPG | 1 player | 1998
3
Obscure: The Aftermath
3
Survival - Horror | 2 players | 2008
Otona no Gal Jan: Kimi ni Hane Man
Adult - Board game | 1 player | 2003
Oira Jajamaru! Sekai Daibouken
Action - Platformer | 1 player | 1990
1
One Piece: Unlimited World Red
9
Action - Adventure | 2 players | 2014
Oui-Oui : Grande fête au Pays des jouets
Edutainment | 1 player | 2011
Obocchama-kun
Board game | 4 players | 1991
Outland
1
Action - Platformer | 1 player | 2011
1
OSman
8
Beat'em up | 2 players | 1996
Orphen : L'Héritier des sorciers
RPG | 1 player | 2000
3
Oriental Legend
4
Beat'em up | 4 players | 1997
Ordyne
3
Shoot'em up | 2 players | 1989
Oddworld: Abe's Oddysee
Action - Platformer - Reflexion | 2 players | 1997
Oni
4
Action | 1 player | 2001
1
One Piece: Romance Dawn - Bouken no Yoake
2
RPG | 1 player | 2012
OutRun 2019
Racing | 1 player | 1993
Ookami to Koushinryou: Umiowataru Kaze
Simulation | 1 player | 2009
1
Oddworld: Abe's Exoddus
Action - Platformer - Reflexion | 2 players | 1998
Option Tuning Car Battle 2
Racing | 2 players | 1999