What games have you re-bought on steam just to have them on steam?

[Robert1986]

I think everyone here has done this or does it from time to time. Most of the ones I've bought were on sale or came in a publisher pack.

cossacks
Deus ex
Doom 3
Max Payne 1 & 2
Serious Sam
Batman Arkham Asylum (also own it on ps3)
Half Life + expansions
Company of Heroes
Classic GTA (owned them on ps1/ps2)
AVP classic