| Name game | What is |
ODT
date unknown | Codes |
ORB: Off-World Resource Base
Strategy, November 5, 2002 | +8 Trainer |
| save files |
| Codes |
| Wallpaper |
Oasis
strategy, logic, April 12, 2005 | save files |
| Wallpaper |
Obscura: The Shadow Blade
Arcade, 19 October 2005 | screenshots |
Obscure
action, quest, April 6, 2005 | +6 Trainer |
| nocd |
| save files |
| review |
| passage |
| screenshots |
Obscure 2
action, September 2007 | +1 Trainer |
| +4 Trainer |
| nocd |
| save files |
| review |
| Wallpaper |
| passage |
| screenshots |
| Cheats |
Obulis
Logic, 14 July 2008 | screenshots |
ODD Society
Quest, February 3, 2010 | screenshots |
Oddballz
date unknown | Codes |
Oddworld: Munch's Oddysee
Arcade, November 15, 2001 | Wallpaper |
Oddworld: Stranger's Wrath
action, 25 January 2005 | Wallpaper |
Odell Down Under
Arcade, Training, 1994 | Codes |
Odium
date unknown | Codes |
Odyssey
date unknown | Codes |
Odyssey: The Search for Ulysses
date unknown | Wallpaper |
| passage |
Odyssey: Winds of Athena, The
Logic, 27 March 2006 | screenshots |
Of Light and Darkness: The Prophecy
quest 1998 | Wallpaper |
Off-Road Redneck Racing
arcade, race, May 2001 | Wallpaper |
Off-Road Velociraptor Safari
action, racing, June 30, 2008 | screenshots |
Offensive
date unknown | Codes |
Office, The
arcade, logic, November 6, 2007 | +4 Trainer |
| screenshots |
Officers
Strategy, 22 February 2007 | +1 Trainer |
| nocd |
| Video |
| Codes |
| Wallpaper |
| screenshots |
Officers: Special Edition
Strategy, May 8, 2008 | nocd |
| screenshots |
Officers: World War 1939-1945
date unknown | Wallpaper |
Offroad
arcade, race, 2001 | Codes |
Offroad Extreme
arcade, race, October 19, 2007 | screenshots |
Oil Tycoon
Strategy 2001 | Codes |
Oil Tycoon 2
Strategy, August 19, 2005 | +1 Trainer |
| screenshots |
Okage Shadow King
date unknown | Wallpaper |
Old Park Ghost
quest 1997 | passage |
Oldtimer
date unknown | Codes |
Omar Sharif Bridge 2
date unknown | +2 Trainer |
Omega Project, The
date unknown | screenshots |
Omega Stone: Sequel to the Riddle of the Sphinx 2, The
date unknown | passage |
Omega Stone: Sequel to the Riddle of the Sphinx, The
Quest, March 18, 2003 | Wallpaper |
| passage |
| screenshots |
Omega Syndrome, The
role, 30 May 2006 | screenshots |
Omikron
date unknown | passage |
Omikron: The Nomad Soul
action, quest, arcade, September 1999 | Wallpaper |
| passage |
Ominous Horizons: A Paladin's Calling
action, October 2001 | Wallpaper |
Once Upon a Knight
date unknown | Codes |
Once Upon a Time in Japan: Earth
quest, date unknown | screenshots |
One Must Fall 2097
Arcade, 1994 | Codes |
One Step Beyond
arcade, logic, 1993 | Codes |
onEscapee
Arcade, January 11, 2005 | screenshots |
Oni
action, arcade, January 2001 | +4 Trainer |
| nocd |
| save files |
| Codes |
| Wallpaper |
| passage |
Onimod Land
Strategy, 2005 | screenshots |
Onimusha 3: Demon Siege
action, 2005 | +11 Trainer |
| nocd |
| save files |
| review |
| Wallpaper |
| passage |
| Russifier |
| screenshots |
Onimusha: Warlords
action, 14 March 2001 | +1 Trainer |
| save files |
| Wallpaper |
| passage |
| Cheats |
OnlineWorms
strategy, logic, 2003 | screenshots |
Ooops Up
date unknown | Codes |
Open Fire Gold
Arcade, March 19, 2009 | screenshots |
Open Outcast
action, 2010 | screenshots |
Open Sea Fishing: The Simulation
Sports, March 11, 2009 | screenshots |
Open Season
Arcade, September 18, 2006 | +3 Trainer |
| +6 Trainer |
| nocd |
| save files |
| Wallpaper |
| screenshots |
OpenArena
action, addition, September 19, 2005 | patch |
| screenshots |
Opera Slinger
Arcade, June 27, 2008 | screenshots |
Operation Air Assault 2
Arcade, June 28, 2007 | +2 Trainer |
| nocd |
Operation Barbarossa: The Struggle for Russia
Strategy, September 10, 2009 | Video |
| demo |
| patch |
| screenshots |
Operation Blockade
Arcade, 29 May 2002 | +1 Trainer |
| +3 Trainer |
| +4 Trainer |
| Codes |
Operation Crusader
date unknown | Codes |
Operation Fall Blau
Additionally, simulator, April 2, 2004 | screenshots |
Operation Flashpoint
action, strategy, simulation, 2001 | +2 Trainer |
| Codes |
| Wallpaper |
| passage |
| Cheats |
Operation Flashpoint: Dragon Rising
action, Oct. 6, 2009 | +1 Trainer |
| +4 Trainer |
| save files |
| Video |
| Codes |
| review |
| Wallpaper |
| patch |
| thumbs |
| Other files |
| screenshots |
Operation Flashpoint: Red Hammer
action, addition, simulator, December 2001 | +1 Trainer |
| complete passage, Eng. |
| passage |
| Cheats |
| Trainer |
Operation Flashpoint: Resistance
action, addition, simulator, June 21, 2002 | +1 Trainer |
| +1 Trainer |
| +4 Trainer |
| Codes |
| Wallpaper |
Operation Flashpoint: The Cold War Crisis
action, strategy, simulation, June 2001 | Wallpaper |
Operation Meteorit
Arcade, 2000 | Codes |
Operation Shadow
date unknown | Wallpaper |
Operation Thunderbolt
Arcade, 2000 | Codes |
Operation Thunderstorm
action, 14 November 2008 | +1 Trainer |
| +3 Trainer |
| +4 Trainer |
| save files |
| review |
| Codes |
| patch |
| passage |
| screenshots |
Operation Tiger Hunt: Operation Tiger Hunt
date unknown | Codes |
Operation Wolf
Arcade, 1989 | Codes |
Operation7
action, 22 December 2008 | Video |
| screenshots |
Operation: Alpha Zylon
Arcade, September 2007 | +1 Trainer |
| review |
| screenshots |
Operation: Carnage
Arcade, 1995 | Codes |
Operation: Matriarchy
action, November 2005 | Codes |
| screenshots |
Operative: No One Lives Forever, The
action, November 2000 | +1 Trainer |
| +3 Trainer |
| save files |
| screensaver |
| Codes |
| Wallpaper |
| passage |
Oppai (Breast Slider)
for adults, September 2005 | nocd |
| screenshots |
Opplossing Eggerland 3
date unknown | Codes |
Opposition 3: Sudden Impact
date unknown | Codes |
Or Die Trying
date unknown | Codes |
Orb and the Oracle, The
addition, role, date unknown | Wallpaper |
| screenshots |
Orchard
Strategy, January 19, 2009 | screenshots |
Order of War
Strategy, September 18, 2009 | Video |
| review |
| demo |
| review |
| Wallpaper |
| thumbs |
| screenshots |
Order of War: Challenge
Additionally, the strategy, March 12, 2010 | Video |
| screenshots |
Oregon Trail 2
quest, training, 1996 | Codes |
Oregon Trail 3
quest 1998 | Codes |
Oregon Trail 3: Anniversary
quest 1999 | Codes |
Orient: A Hero's Heritage
role, date unknown | Wallpaper |
| screenshots |
Original War
Strategy, June 2001 | Wallpaper |
Orion Burger
quest 1996 | passage |
Orphen: Scion of Sorcery
date unknown | Wallpaper |
Oscar
Arcade, 1992 | Codes |
Osiris
date unknown | Codes |
Osmos
Arcade, August 18, 2009 | Video |
| screenshots |
Ostfront: Decisive Battles in the East
Additionally, simulator, January 24, 2006 | screenshots |
Ostrich Runner
arcade, race, April 9, 2004 | +2 Trainer |
| Wallpaper |
| screenshots |
Otherland
role, 2010 | screenshots |
Otherside: Realm of Eons, The
Logic, 29 November 2009 | Video |
| demo |
| screenshots |
Otogi 2: Immortal Warriors
date unknown | Wallpaper |
Otto Matic
arcade for children, March 29, 2004 | +5 Trainer |
Our World
arcade, role, date unknown | screenshots |
Out of the Park Baseball 10
strategy, sports, June 9, 2009 | patch |
| screenshots |
Out of the Park Baseball 2006
strategy, sports, June 7, 2006 | screenshots |
Out of the Park Baseball 2007
strategy, sports, March 23, 2007 | patch |
| screenshots |
Out of this World
date unknown | Codes |
Out to Lunch
date unknown | Codes |
Outbreak (2001)
Arcade, 2001 | +3 Trainer |
| +5 Trainer |
Outbreak (2006)
action, December 2006 | screenshots |
Outbreakers
date unknown | Codes |
Outcast 2: The Lost Paradise
action, quest, date unknown | Wallpaper |
Outcast, The
action, quest, June 1999 | Codes |
| Wallpaper |
| Cheats |
Outcome (2007)
role, date unknown | screenshots |
Outcry
Quest, 28 August 2008 | nocd |
| save files |
| review |
| passage |
| screenshots |
| Cheats |
Outdoor Life: Sportsman's Challenge
Strategy, October 11, 2004 | nocd |
| Codes |
| screenshots |
Outer Ridge
Arcade, 1995 | Codes |
Outfit, The
date unknown | Wallpaper |
Outforce, The
Strategy, October 2000 | Codes |
| Wallpaper |
Outlaw Chopper
arcade, race, July 11, 2006 | save files |
| screenshots |
Outlaw Golf
Arcade, Sports, October 2003 | save files |
| Codes |
