Since

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{{since}} - should link here to be clear what since means

• (in all games since ) - means available in Half-Life 2 and all valve games that were released afterwards

• (in all games since ) - would mean all valve games except Source SDK Base 2006 and mods based on it (all official titles before team fortress 2 were updated to source 2013^[confirm])

• (in ) - + ^[confirm]
• (in ) - Half-Life: Source Half-Life 2 Half-Life 2: Lost Coast Half-Life 2: Episode One Half-Life 2: Episode Two Portal and any mods based on it^[confirm]
• (in ) - Counter-Strike: Source Half-Life 2: Deathmatch Half-Life Deathmatch: Source and any mods based on it^[confirm]

Source games in the release order

1. Counter-Strike: Source
2. Half-Life: Source
3. Half-Life 2
4. Half-Life 2: Deathmatch
5. Day of Defeat: Source
6. Half-Life 2: Lost Coast
7. Half-Life Deathmatch: Source
8. Half-Life 2: Episode One
9. Half-Life 2: Episode Two
10. Portal
11. Team Fortress 2
12. Left 4 Dead
13. Left 4 Dead 2
14. Alien Swarm
15. Portal 2
16. Counter-Strike: Global Offensive

Source SDK bases

1. Source SDK Base 2006
2. Source SDK Base 2007
3. Source SDK Base 2013 - Singleplayer
4. Source SDK Base 2013 - Multiplayer

See Also

• Template_talk:Since
• dump entity sizes - to check entity availability