Free games over at McGame.com

Not sure if this was posted already, but this german site is offering 1 free game per acount from a selection of 10 titles:

Tom Clancy's Splinter Cell: Double Agent

Tom Clancy's Rainbow Six: Lockdown

Prince of Persia: The Warrior Within

Silent Hunter 4: Gold Edition

Heroes of Might and Magic V: Gold Edition

The Settlers: Heritage of Kings

Anno 1503: Gold Edition

Rayman 3: Hoodlum Havoc

Driver 4: Parallel Lines

Abenteuer auf dem Reiterhof: Die Wilden Mustangs

http://www.mcgame.com/de/store/freebees

Instructions:
http://forums.steampowered.com/forums/showpost.php?p=33398736&postcount=6248