Weekend game deals: 50% off Mass Effect 2 DDE

If you've been meaning to buy Mass Effect 2, the folks over at Stardock have a deal for you. Impulse is selling the Digital Deluxe Edition for half off at $19.99, which includes in-game bonus items along with extras like the Mass Effect 2 soundtrack, a 48-page art book, and a behind-the-scenes documentary of the game's making. Meanwhile, Steam is offering all five chapters of the Tales of Monkey Island series for only $4.99, Microsoft has knocked 50% off Street Fighter IV, and Good Old Games is selling all Rebellion titles for 30% to 50% off.

Steam
Tales of Monkey Island Complete Pack $4.99 (86% off)
Blacklight: Tango Down $7.49 (50% off)
Guild Wars: Eye of the North $20.09 (33% off)
Lost Planet 2 $35.99 (10% off)
X SuperBox $35.99 (10% off)

Impulse
Mass Effect 2 Digital Deluxe Edition $19.99 (50% off)
TangleBee $9.99 (50% off)
GEOM $9.99 (50% off)
All Sherlock Holmes Titles 50% off
Out of the Park 11 $19.99 (50% off)
Mount&Blade Warband $10.49 (65% off)
Demigod $5.99 (75% off)
World War 2 - Time of Wrath $14.99 (50% off)

Direct2Drive
ArcaniA - Gothic 4 preorder $42.50
Lost Planet 2 preorder $35.95
Dungeon Defenders $8.95
SEGA Mega Drive Collection Series 1, 2 and 3 $7.50 each

Games for Windows
Street Fighter IV $14.99 (50% off)

Good Old Games
Rebellion titles up to 50% off