The rest of the list includes Railworks, the new train simulation title from RailSimulator.com, in the number 9 position. Also Tripwire Interactive's co-op shooter Killing Floor continues to make a killing; it's at number 3 on the list and has so far remained in the top five since it's release in mid-May
1. Prototype - Activision
2. Left 4 Dead - Valve
3. Killing Floor - Tripwire Interactive
4. Team Fortress 2 - Valve
5. Counter-Strike Source - Valve
6. The Orange Box - Valve
7. Call of Duty 4 - Activision
8. Penubra Collector Pack - Frictional Games
9. Railworks - Railsimulator.com
10. Plants Vs. Zombies - PopCap
East India Company: Battle of Trafalgar_thumbnail.jpg "Men of War: Red Tide")
Men of War: Red Tide
Champions Online: Nemesis Confrontation
Boot Disk: Fallout 2
Dino D-Day
(Possible) Project V13 Screenshots
King's Bounty: Armored Princess
Zero Gear
Boot Disk: Diablo
