Valve
Valve has 18 tracked titles on Steam, shipping between 1998 and 2020. Together they still earn an estimated $764.6k per month net to the studio, $390.5M earned to date. Last public activity anywhere in the catalog: under a month.
Works in Action. Average price $12.
Studio site l4d.com has not changed since 2026-05.
| Game | Year | Net revenue / month |
|---|---|---|
| Left 4 Dead 2 | 2009 | $260.0k |
| Half-Life: Alyx | 2020 | $159.0k |
| Portal 2 | 2011 | $97.3k |
| Portal | 2007 | $63.1k |
| Half-Life 2 | 2004 | $59.5k |
| Half-Life | 1998 | $37.2k |
| Counter-Strike: Source | 2004 | $26.1k |
| Counter-Strike | 2000 | $25.4k |
| Left 4 Dead | 2008 | $19.7k |
| Counter-Strike: Condition Zero | 2004 | $5.5k |
| Half-Life: Source | 2004 | $3.0k |
| Counter-Strike: Condition Zero | 2004 | $2.5k |
| Day of Defeat: Source | 2010 | $2.4k |
| Half-Life Deathmatch: Source | 2006 | $1.7k |
| Team Fortress Classic | 1999 | $957 |
| Ricochet | 2000 | $428 |
| Day of Defeat | 2003 | $383 |
| Deathmatch Classic | 2001 | $297 |