There's a little something for everything in this weekend's cocktail of deals, including savings on both Witcher titles, the Total War franchise, Interplay's Fallout games, the Call of Duty series, the BioShock trilogy, Dead Island GotY and Riptide, the first and second Dawn of War, a few recent Resident Evil releases as well as assorted EA and Valve titles. As a friendly reminder, the Humble Origin Bundle ends soon and added two additional products this week: Populous and Red Alert 3 - Uprising.

Steam
89 The Witcher 2: Assassins of Kings $4.99 (75% off)
81 The Witcher $2.49 (75% off)
77 Don't Starve $7.49 (50% off)
90 Total War Master Collection $22.49 (75% off)
90 Total War Grand Master Collection $82.49 (50% off)
69 Arcania + Gothic Pack $12.49 (75% off)
63 Game of Thrones Special Edition $7.49 (75% off)
83 Wargame: Airland Battle $19.99 (50% off)
67 Of Orcs And Men $7.49 (75% off)
72 Blood Bowl: Chaos Edition $7.50 (50% off)
Fallout Collection $4.99 (75% off)
Orion: Dino Horde $3.74 (75% off)
Insurgency $9.99 (50% off)
Evil Genius $2.50 (75% off)
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Amazon Digital
82 Call of Duty: Modern Warfare 3 $19.99 (50% off) 
82 Modern Warfare Bundle $39.99 (50% off)
83 Call of Duty: Black Ops 2 $29.99 (50% off)
82 Call of Duty: Black Ops $19.99 (50% off)
59 No Time to Explain $3.99 (60% off)
62 Lucius $7.99 (60% off)
72  Jack Keane $4.99 (50% off)
Call of Duty War Chest $19.99 (33% off)
Chronicles of a Dark Lord: Episode 1 Titles of Fate $1.99 (60% off)
Rooks Keep $7.49 (50% off)
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GameStop
90 Dragon Age Origins: Ultimate Edition $5.99 (80% off)
88 Command & Conquer The Ultimate Collection $8.99 (55% off)
87 FIFA Soccer 13 $7.99 (60% off)
88 Mass Effect Trilogy $19.99 (50% off)
79 Crysis 3 $19.99 (50% off)
82 Need for Speed Bundle $7.99 (80% off)
74 Syndicate $4.99 (75% off)
77 Dead Space 3 $19.99 (50% off)
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GamersGate
92 BioShock Infinite $26.77 (33% off)
86 BioShock 2 $4.99 (75% off)
95 BioShock $4.99 (75% off)
81  Sleeping Dogs Digital Edition $6.25 (75% off)
74  Dead Island GotY $4.99 (75% off)
Dead Island Riptide $19.98 (50% off)
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GameFly
89 Left 4 Dead 2 $4.99 (75% off)
85 Saints Row: The Third - The Full Package $7.49  (75% off)
96 Portal 2 $7.99 (60% off)
85 Half-Life Complete $15.99 (60% off)
Splinter Cell: Chaos Theory $4.99 (50% off)
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Green Man Gaming
42 Deep Black Reloaded $7.49 (75% off)
80 Mortal Kombat Komplete $10.19 (66% off)
87 DmC Devil May Cry $24.99 (50% off)
75 Resident Evil: Revelations $33.48 (33% off)
60 Resident Evil 6 $19.99 (50% off)
72 Shank $4.99 (50% off)
74 Shank 2 $4.99 (50% off)
20% off select titles via "GMG20-KCDKK-H4TPB"
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Get Games
93 Civilization IV Complete $7.49 (75% off)
87 Civilization V Gold Edition $12.49 (75% off)
87 Warhammer 40k: Dawn of War 1 & 2 Collection $34.99 (75% off)
79 Warhammer 40k: Space Marine $7.49 (75% off)
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GOG
75% off The Witcher titles
50% off select strategy titles