http://www.gamesradar.com/pc/cheats/l-O/s-a-zhttp://www.gamesradar.com/pc/obscure-ii/cheats-guides-faqs/g-2007050914551777000It's about time they made a survival-horror game involving college kids and an out-of-control frat party. Unfortunately, this gory zombie romp is wounded by its dull monster encounters, lame puzzles, and butt-ugly graphics.PC FAQ5/12/2008http://www.gamesradar.com/pc/obsidian/cheats-guides-faqs/g-20061103125821697039PC FAQ6/11/2006http://www.gamesradar.com/pc/oddworld/cheats-guides-faqs/g-2005120716344188317871PC Cheat23/01/2006http://www.gamesradar.com/pc/oddworld-2-abes-exxodus/cheats-guides-faqs/g-2005120716344278048706PC FAQ24/02/2006http://www.gamesradar.com/pc/odium/cheats-guides-faqs/g-2005120716344294183349PC FAQ24/02/2006http://www.gamesradar.com/pc/odt/cheats-guides-faqs/g-2005120716344365628051PC FAQ3/11/2006http://www.gamesradar.com/pc/oil-tycoon/cheats-guides-faqs/g-2005120716344392556762PC Cheat23/01/2006http://www.gamesradar.com/pc/once-upon-a-knight/cheats-guides-faqs/g-2005120716344461422729PC Cheat23/01/2006http://www.gamesradar.com/pc/one-must-fall-2097/cheats-guides-faqs/g-2005120716344408767700PC Cheat23/01/2006http://www.gamesradar.com/pc/one-must-fall-battlegrounds/cheats-guides-faqs/g-2005120716344456677246PC Cheat23/01/2006http://www.gamesradar.com/pc/oni/cheats-guides-faqs/g-2005120716344514028930PC FAQ24/02/2006http://www.gamesradar.com/pc/open-season/cheats-guides-faqs/g-2006041310595246025Another game based on a movie - this time it's about wacky forest animals and their efforts to stop wayward hunters from shooting up the place. Minigames ensue.PC Cheat23/03/2007http://www.gamesradar.com/pc/operation-blockade/cheats-guides-faqs/g-2005120716344578881835PC Cheat23/01/2006http://www.gamesradar.com/pc/operation-flashpoint/cheats-guides-faqs/g-2005120716344602481079PC FAQ27/02/2006http://www.gamesradar.com/pc/operation-flashpoint-dragon-rising/cheats-guides-faqs/g-20070419115621991051With meticulously detailed realism applied to some great modern warfare and an amazing co-op mode, this one differentiates itself enough from others shooters for players to make room for it in their busy schedule.PC Cheat8/10/2009http://www.gamesradar.com/pc/operation-flashpoint-red-hammer/cheats-guides-faqs/g-2005120716344606671142PC Cheat23/01/2006http://www.gamesradar.com/pc/operation-flashpoint-resistance/cheats-guides-faqs/g-2005120716344615701293PC Cheat23/01/2006http://www.gamesradar.com/pc/operation-meteoroid/cheats-guides-faqs/g-2005120716344691534423PC Cheat23/01/2006http://www.gamesradar.com/pc/the-orange-box/cheats-guides-faqs/g-20070406123756664095The Orange Box has five big sections - Half-Life 2: Episode Two, Team Fortress 2, Portal, Half-Life 2, and Half-Life 2: Episode One - and they're juicy, delicious, and priced to sell.PC FAQ24/01/2008http://www.gamesradar.com/pc/orb-off-world-resource-base/cheats-guides-faqs/g-2005120716344602087402PC Cheat23/01/2006