Best Games by Popularity: O

Overlord II is the sequel to the original fantasy action adventure game. Read the Review

This package deal contains Half Life 2, and HL2: Episodes 1 & 2, as well as Team Fortress 2 and Portal. Read the Review

Outland puts players in the middle of a world of balance and chaos where their efforts allow them to bridge the ancient divide, or doom the world to destruction. Read the Review

Adventure gaming in a twisted fantasy world where players have the choice to be evil... or really evil. Read the Review

This sequel to Codemasters' popular Cold War-themed shooter takes place in a modern setting in which tensions are high between China and Russia. Read the Review

Prepare for brutal battle as you join the war in Tajikistan in Operation Flashpoint: Red River. Read the Review

Operation Darkness is a turn-based tactical strategy game set in a fantastical take on World War II. Read the Review

Oneechanbara vorteX is an action game for the Xbox 360 from D3. Read the Review

Take to the skies in Over G Fighters, an Xbox 360 game developed by Taito. Read the Review

Of Orcs and Men is a role-playing game that places players in the role of an elite Orc soldier.

Omerta - City of Gangsters is a simulation game with tactical turn-based combat where players take the role of a fresh-from-the-boat immigrant with dreams of the big life who must work his way up the criminal hierachy of 1920's Atlantic City.

Orcs Must Die! is a fantasy action strategy game. Read the Review

Set in Europe during WWII, The Outfit is a squad-based action game that pits your team against the Nazi War Machine. Read the Review