- Obscure (April 20, 2005)
hints
- Oddworld: Munch's Oddysee (August 21, 2004)
hints
- Oddworld: Stranger's Wrath (November 10, 2007)
hints
- Official X-Box Magazine Disc #27 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #37 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #38 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #39 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #40 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #41 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #42 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #43 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #44 (July 27, 2006)
cheats
- Official X-Box Magazine Disc #45 (July 27, 2006)
cheats
- Official X-Box Magazine Disk #21 (August 21, 2004)
cheats
- Official X-Box Magazine Disk #23 (February 23, 2004)
cheats
- Open Season (April 02, 2007)
hints
- Operation Flashpoint: Cold War Crisis (January 17, 2004)
hints
- Operation Flashpoint: Elite (December 01, 2006)
cheats, hints
- Otogi (April 05, 2004)
cheats, hints
- Otogi 2: Immortal Warriors (March 13, 2005)
hints
- Outlaw Golf (April 26, 2004)
cheats, hints
- Outlaw Golf 2 (November 11, 2004)
cheats, hints
- Outlaw Golf: 9 Holes of X-Mas (May 03, 2004)
cheats, hints
- Outlaw Tennis (February 06, 2008)
hints
- Outlaw Volleyball (March 02, 2004)
cheats, hints
- OutRun 2 (November 06, 2004)
cheats
- OutRun 2006: Coast 2 Coast (January 05, 2010)
cheats, hints
- Over the Hedge (July 29, 2008)
cheats, hints
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