| Title | Platform | Genre | Score | Release Date |
|---|---|---|---|---|
| The Orange Box | PC | Sci-Fi First-Person Shooter | 9.5 | Oct 10, 2007 |
| The Orange Box | X360 | Sci-Fi First-Person Shooter | 9.5 | Oct 10, 2007 |
| Half-Life | PC | Sci-Fi First-Person Shooter | 9.4 | Oct 31, 1998 |
| Half-Life 2 | PC | Sci-Fi First-Person Shooter | 9.2 | Nov 16, 2004 |
| Portal 2 | PC | Sci-Fi First-Person Shooter | 9.0 | Apr 19, 2011 |
| Left 4 Dead 2 | PC | Sci-Fi First-Person Shooter | 9.0 | Nov 17, 2009 |
| Portal | PC | Sci-Fi First-Person Shooter | 9.0 | Oct 10, 2007 |
| Left 4 Dead 2 | X360 | Sci-Fi First-Person Shooter | 9.0 | Nov 17, 2009 |
| Portal 2 | X360 | Sci-Fi First-Person Shooter | 9.0 | Apr 19, 2011 |
| Portal 2 | PS3 | Sci-Fi First-Person Shooter | 9.0 | Apr 19, 2011 |
| Half-Life 2: Episode One | PC | Sci-Fi First-Person Shooter | 8.7 | Jun 1, 2006 |
| Team Fortress 2 | PC | Modern First-Person Shooter | 8.5 | Oct 10, 2007 |
| Left 4 Dead | PC | Sci-Fi First-Person Shooter | 8.5 | Nov 18, 2008 |
| Counter-Strike: Global Offensive | PC | Modern First-Person Shooter | 8.5 | Aug 21, 2012 |
| Counter-Strike: Global Offensive | X360 | Modern First-Person Shooter | 8.5 | Aug 22, 2012 |
| Portal: Still Alive | X360 | Sci-Fi First-Person Shooter | 8.5 | Oct 22, 2008 |
| Counter-Strike: Global Offensive | PS3 | Modern First-Person Shooter | 8.5 | Aug 21, 2012 |
| Counter-Strike | PC | Modern First-Person Shooter | 8.4 | Oct 6, 2004 |
| Half-Life 2 | XBOX | Sci-Fi First-Person Shooter | 8.3 | Nov 15, 2005 |
| Day of Defeat | PC | Historic First-Person Shooter | 8.1 | May 6, 2003 |
| Day of Defeat: Source | PC | Historic First-Person Shooter | 8.1 | Sep 26, 2005 |
| Left 4 Dead 2: The Passing | X360 | Sci-Fi First-Person Shooter | 7.5 | Apr 22, 2010 |
| Counter-Strike | XBOX | Modern Tactical Shooter | 7.2 | Nov 18, 2003 |
| Dota 2 | PC | MOBA | TBA 2013 | |
| Counter-Strike: Source | PC | Modern Tactical Shooter | Oct 7, 2004 | |
| Half-Life 2: Episode Three | PC | Sci-Fi First-Person Shooter | TBA | |
| Half-Life 3 | PC | Sci-Fi First-Person Shooter | TBA | |
| Half-Life 2: Episode Two | PC | Sci-Fi First-Person Shooter | Oct 10, 2007 | |
| Half-Life 2: The Black Box (Episode Two) | PC | Sci-Fi First-Person Shooter | Canceled | |
| Alien Swarm | PC | Modern Tactical Shooter | Jul 19, 2010 | |
| Left 4 Dead 2: Dead Air | PC | Sci-Fi First-Person Shooter | Jul 22, 2011 | |
| Counter-Strike: Global Offensive | MAC | Modern First-Person Shooter | Aug 21, 2012 | |
| Left 4 Dead 2: Cold Stream | PC | Sci-Fi First-Person Shooter | Jul 24, 2012 | |
| Portal | MAC | Sci-Fi First-Person Shooter | May 12, 2010 | |
| Counter-Strike Online 2 | PC | Modern First-Person Shooter | TBA | |
| Half-Life 2: Lost Coast | PC | Sci-Fi First-Person Shooter | Oct 27, 2005 | |
| Left 4 Dead 2: Cold Stream | X360 | Sci-Fi First-Person Shooter | Aug 3, 2012 | |
| Left 4 Dead 2: The Sacrifice | X360 | Sci-Fi First-Person Shooter | Oct 5, 2010 | |
| Dota 2 | MAC | MOBA | TBA 2013 | |
| Left 4 Dead 2: The Sacrifice | PC | Sci-Fi First-Person Shooter | Oct 5, 2010 | |
| Portal 2: Peer Review | PC | Sci-Fi First-Person Shooter | Oct 4, 2011 | |
| Half-Life: Source | PC | Sci-Fi First-Person Shooter | Nov 16, 2004 | |
| Team Fortress Classic | PC | Modern First-Person Shooter | 1999 | |
| Left 4 Dead 2 | MAC | Sci-Fi First-Person Shooter | Oct 5, 2010 | |
| Half-Life 2: Deathmatch | PC | Sci-Fi First-Person Shooter | Nov 16, 2004 | |
| Portal 2 | MAC | Sci-Fi First-Person Shooter | Apr 19, 2011 | |
| Team Fortress 2 | MAC | Modern First-Person Shooter | Jun 10, 2010 | |
| Left 4 Dead | MAC | Sci-Fi First-Person Shooter | Oct 27, 2010 | |
| Left 4 Dead 2: Death Toll | PC | Sci-Fi First-Person Shooter | Sep 16, 2011 | |
| Garry's Mod | PC | Miscellaneous | Nov 29, 2006 |
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