143 free games including Psychonauts by Tim Schafer... now everybody who hasn't played that game yet should hurry over there and play it right away!!!

http://www.gametap.com/games/free-games

But also Commandos 3, Tomb Raider Legend, Fallout, Hitman 1 & 2 (Silent Assasin)...

All you have to do is download the Gametap console thingy, you don't even have to register after that and you can play these games for free!!!