Valve brengt complete collectie naar Steam
- Counter-Strike
- Counter-Strike: Condition Zero
- Counter-Strike: Source
- Day of Defeat
- Day of Defeat: Source
- Deathmatch Classic
- Half-Life
- Half-Life 2
- Half-Life 2: Deathmatch
- Half-Life 2: Episode One
- Half-Life 2: Episode Two
- Half-Life 2: Lost Coast
- Half-Life Deathmatch: Source
- Half-Life: Blue Shift
- Half-Life: Opposing Force
- Half-Life: Source
- Left 4 Dead
- Peggle Extreme
- Portal
- Ricochet
- Team Fortress 2
- Team Fortress Classic
Voor 99 dollar krijg je dus 22 games in je bezit, koopje toch?