Counter Strike: Source

[Skarro]

Start up a "Stress Test" in Counter-Strike Source.

You will join an empty game with nobody in a level meant to test your graphics card. Look at the stain glass window. It's Gordon Freeman with his crowbar! [Half-Life series] Half life is also made by Valve.

[drake3011]

Its not just made by, Counter Strike was Originally a modded version of Half-Life, and source built off the engine used for Half Life 2.

Its quite easy to say without Mr. Freeman, there wouldn't be a Counter Strike, so a Religious placement for him in the stress test seems well placed

Also that texture is available in Garry's mod, you can literally turn anything into freeman-stained-glass