Some of last year's biggest releases have been discounted this weekend, including Splinter Cell: Blacklist for $20 at Steam, Tomb Raider for $9 on Amazon, Assassin's Creed IV: Black Flag for $30 at GameFly, Company of Heroes 2 for $13 at Green Man Gaming (which also includes a free copy of Rome: Total War), as well as BioShock Infinite for $10 at Get Games.

Steam
81 Kingdoms of Amalur: Reckoning Collection $11.99 (70% off)
81 Splinter Cell: Conviction $4.99 (75% off)
84 Splinter Cell: Blacklist $20.39 (66% off)
83 Eve Online $4.99 (75% off)
The Ship Complete Pack $3.99 (80% off)
Guacamelee! Gold Edition $3.74 (75% off)
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Amazon Digital
88 Guild Wars 2 $29.99 (40% off)
88 Tomb Raider $8.99 (55% off)
79 Hitman: Absolution $7.49 (63% off)
84 Max Payne 3 + LA Noire or GTA IV $7.99 (80% off)
Naruto Storm 3: Full Burst $19.99 (50% off)
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GameStop
76 Fable - The Lost Chapters $2.49 (50% off)
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GamersGate
87 Civilization V $7.49 (75% off)
Agricultural Simulator 2013 $4.99 (75% off)
Farming Giant $2.49 (75% off)
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GameFly
89 Far Cry 3 $7.49 (75% off)
84 Assassin's Creed IV Black Flag $29.99 (50% off)
90 Rayman Legends $19.99 (50% off)
83 Anno 2070 Complete Edition $12.49 (75% off)
85 Rocksmith 2014 Edition $39.99 (33% off)
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Green Man Gaming
69 Hell Yeah! Wrath of the Dead Rabbit $3.74 (75% off)
90 Company of Heroes $2.49 (75% off)
84 Company of Heroes 2 $13.59 (75% off)
Buy one of the games above (more here) and get Rome: Total War free
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Get Games
91  BioShock Infinite $9.89 (67% off)
81 Far Cry 3: Blood Dragon $5.09 (66% off)
89 Far Cry 3 $9.89 (67% off)
75 Call of Juarez: Gunslinger $5.09 (66% off)
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GOG
70% off war games