You can get a Steam key for the Collectors Edition of last weeks game giveaway Brink of Consciousness: Dorian Gray Syndrome CE from Bundle Stars together with 13 other games (some of which have been previous giveaways), all with Steam keys HERE for only £1.59.
Alex Hunter - Lord of the Mind Platinum Edition
Elementary My Dear Majesty!
Heroes of Hellas 3: Athens
Hidden Object Bundle 5 in 1:
Behind the Reflection 2: Witch's Revenge
Mountain Crime: Requital
Vampire Saga: Pandora's Box
Weird Park: Broken Tune
Twisted Lands: Shadow Town
Lost Chronicles of Zerzura
Lucid
Puzzle Station 15th Anniversary
Royal Defense
Governor of Poker 2 Premium Edition
For those of you not familiar with Steam, it's a gaming platforn where once you've redeemed your key, you can play the game wherever you wish, install it to different computers etc. Steam also have some amazing sales every week, with upwards of 200 plus games on sale every week.