[beaumartinez]

Interesting thought: the three most popular games on Steam[1] (Team Fortress 2, Counter-Strike, and Counter-Strike Source) and the two most popular games on Xbox Live[2] (Modern Warfare 2 and Black Ops) are all based on Quake's engine to some extent.

[1] http://store.steampowered.com/stats/ [2] http://majornelson.com/2011/08/10/live-activity-for-week-of-...

[malkia]

A lot of FPS games still use a lot of that code, or later versions.