Half-Life 2: Episode Three Related Games
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Portal 2 is a first-person puzzler game from Valve Software that draws from the original formula of innovative gameplay, story, and music, which earned the original Portal more than 70 industry accolades.
- Release Date: Apr 19, 2011
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Portal lets you shoot portals into walls and floors to solve puzzles and teleport objects, including yourself, around.
- Release Date: Oct 10, 2007
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Half-Life: Source is a conversion the original Half-Life and features the Source engine and updated graphics.
- Release Date: Nov 16, 2004
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In Peer Review, you and a friend will continue the story of loyal bots P-Body and Atlas as you puzzle your way through a mysterious new co-op test track and once again match wits with GLaDOS.
- Release Date: Oct 4, 2011
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The first Portal 2 DLC contains new test chambers, leaderboards, a challenge mode for single- and multiplayer modes, and more.
- Release Date: Apr 19, 2011
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The zombie shooter returns featuring four new survivors and five new campaigns.
- Release Date: Nov 17, 2009
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DayZ is a standalone post-apocalyptic zombie survial horror game for the PC inspired by the mod created for ARMA II. Players can choose to go solo, team up with friends, or take on the world in whatever path they choose in this brutal and chilling landscape where you must use whatever means you stumble upon to survive.
- Release Date: TBA 2013
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Using the Counter-Strike Source Engine, Left 4 Dead has a group of four unlikely heroes join together to battle hordes of infected.
- Release Date: Nov 18, 2008
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MechWarrior Online is the first offiicially licensed free-to-play title in the MechWarrior franchise.
- Release Date: TBA
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The battle versus evil continues in the next journey into the Doom universe.
- Release Date: TBA
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Set in 1962 at the heigh of the Cold War, The Bureau tells the origin story of the clandestine XCOM organization's first encounter with a mysterious and devastating enemy.
- Release Date: Aug 20, 2013
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Alien Rage is a sci-fi first-person shooter that sets you in a remote planetary mining facility where you must fend off and destroy an unforgiving and seemingly endless stream of badass alien forces.
- Release Date: Q4 2013
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Take on the role of a bounty hunter in a massive alien metropolis and pursue your targets using a variety of different tactics.
- Release Date: TBA
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Left 4 Dead 2: Cold Stream is a free update that also includes the original Left 4 Dead campaigns Blood Harvest, Crash Course, Dead Air, and Death Toll.
- Release Date: Jul 24, 2012
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This 3D shooter takes players on a series of secret missions in a futuristic city.
- Release Date: TBA
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Developed by Techland, Chrome 2 is the follow-up to Chrome, a first-person sci-fi shooter released in 2003.
- Release Date: TBA
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The first downloadable add-on for L4D2 features a new campaign, a few new items, and the Mutations mode which features weekly gameplay variants.
- Release Date: Apr 22, 2010
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Half-Life 2: Episode 3 Navigation


