If you missed THQ's Humble Bundle, then you've got another chance to buy some really cheap games from the troubled publisher. Amazon.com has a THQ bundle including Space Marine, Homefront, and Metro 2033 for $11.99, a reduction of 91%. Elsewhere, you can get Super Street Fighter IV: Arcade Edition for 75% off at GreenManGaming.
Steam has an interesting pair of offers this weekend; first up you can save 60% on the price of the sci-fi strategy of Anno 2070. Also on offer is the charming and crazy Magicka which is 75% off along with most of its DLC. The game is also free to play this weekend if you fancy embarking on some co-op shenanigans before buying.
Gamersgate is continuing their EA promotion this week, knocking Shank 2, Gatling Gears, and Warp down to half price. GOG.com has a real mix of titles in its Mid-winter Variety Promo including Guilty Gear Isuka and Realms of the Haunting for 60% off.