If you've been meaning to catch up on any of the Warhammer games, Steam has cut 75% off the entire franchise, including last September's Space Marine as well as a bundle with Dawn of War II and its expansions. You'll also find 75% off both Dragon Age titles, Super Street Fighter IV Arcade Edition, Deus Ex: Human Revolution and Supreme Commander 2, as well as 50% off select GTA games and L.A. Noire.

Steam
86 Warhammer 40,000: Dawn of War II Complete Pack $14.99 (75% off)
75 Warhammer 40,000: Space Marine $7.49 (75% off)
82 Tribes: Ascend - Steam Starter Pack $9.99 (50% off)
79 Penny Arcade Adventures: Precipice of Darkness $3.00 (75% off)
81 Vessel $9.99 (33% off)
Midnight Mysteries Collection $9.99 (67% off)
Dungeons & Dragons Online Half-Orc Pack $9.99 (50% off)
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Amazon Digital
79 Dragon Age 2 $4.99 (75% off)
90 Dragon Age Origins: Ultimate Edition $7.49 (75% off)
Tropico 4 $19.99 (50% off)
81 Tropico 3 $4.41 (56% off)
75  Supreme Commander 2 $6.70 (55% off)
Bully - Scholarship Edition $3.88 (74% off)
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GameStop
90 Mass Effect $4.99 (75% off)
93 Mass Effect 2 $4.99 (50% off)
70 Age of Empires III: Complete Collection $19.99 (50% off)
76 Arma II: Operationg Arrowhead $19.99 (50% off)
88 Super Street Fighter IV Arcade Edition $9.99 (75% off)
93 The Elder Scrolls V: Skyrim $40.19 (33% off)
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GamersGate
87 Deus Ex: Human Revolution $7.48 (75% off)
75 Supreme Commander 2 $3.75 (75% off)
Call of Duty 4: Modern Warfare $19.98 (50% off)
76 The Last Remnant $7.50 (50% off)
68  Kane & Lynch 2: Dog Days $7.48 (50% off)
60  Front Mission Evolved $6.50 (50% off)
76  Men of War $3.74 (75% off)
76 Men of War: Assault Squad $7.49 (75% off)
Men of War: Condemned Heroes $7.49 (75% off)
Hitman: Blood Money $4.98 (50% off)
50-75% off Dragon Age content
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Green Man Gaming
87  L.A. Noire $14.99 (50% off)
88 Grand Theft Auto: Episodes from Liberty City $14.99 (50% off)
Grand Theft Auto IV $9.99 (50% off)
Grand Theft Auto: San Andreas $7.49 (50% off)
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GameFly
Up to 75% off Atari games

GOG
Stronghold Crusader $3.99 (60% off)
Lords of the Realm: Royal Edition $3.59 (40% off)
Vote for tomorrow's deal (40% or 60% off The Whispered Word and Trine)