Discounted Online Co-Op Games on Steam

Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated online co-op games.

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Call of Duty® 2 Call of Duty® 2 redefines the cinematic intensity and chaos of battle as seen through the eyes of ordinary soldiers fighting together in epic WWII conflicts. The sequel to 2003's Call of Duty, winner of over 80 Game of the Year awards, Call of Duty 2 offers more immense, more intense, more realistic battles than ever before, thanks to...

Price -31% 13.99€
Rating 9.1
Release 13 Oct 2006
DEFCON Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.

Price -91% 1.08€
Rating 8.4
Release 29 Sep 2006
Sniper Elite V2 In the dark days of the end of World War Two amidst the ruins of Berlin, one bullet can change history…

Price -87% 3.16€
Rating 8.7
Release
Warhammer 40,000: Dawn of War II: Retribution Command any of the six unique factions in the next standalone expansion of the critically acclaimed Dawn of War real-time strategy franchise. Choose to build a massive army or lead a small squad of elite heroes into battle and experience a single player campaign customized to your favorite race.

Price -76% 7.17€
Rating 8.8
Release

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816,873 players

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1,173,003
Rating 8.6

464,325 players

2,037,143
461,826
Rating 8.1

257,103 players

272,952
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Rating 8.7

128,641 players

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Rating 9.7

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Rating 7.9

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Rating 8.7

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630,223
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Rating 7.9

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545,393
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Rating 8.6

55,519 players

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Rating 8.3

54,737 players

736,688
23,974
Rating 9.6