Hey everyone, just contributing to the community here.

These games are free if you have an nvidia card.
Portal: First Slice
HL2: Deathmatch
HL2: Lost Coast
Peggle Extreme

If you don't have them already.

Check it out here: http://steampowered.com/nvidia/

To get Peggle: http://store.steampowered.com/app/3483/?snr=1_4_4__13


Have fun!