Best 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 co-op games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Co-op games on Steam.

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Half-Life: Opposing Force Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.

Price 4.99€
Rating 9.3
Release 01 Nov 1999
Team Fortress Classic One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare. Each character class possesses unique weapons, items, and abilities, as teams compete online in a variety of game play modes.

Price 4.99€
Rating 8.5
Release 01 Apr 1999
SteamVR Grab SteamVR to access and play VR games using your HTC Vive, Oculus Rift, Windows Mixed Reality headset, or any other supported VR headset and controllers.

Price Free to play
Rating 8.6
Release -
Arma 2 Building on 10 years of constant engine development, ARMA II boasts the most realistic combat environment in the world. It models real world ballistics & round deflection, materials penetration, features a realtime day/night cycle and dynamic wind, weather and environmental effects.

Price -80% 1.99€
Rating 8.0
Release -
GRID 2 Be fast, be first and be famous as the race returns in GRID 2, the sequel to the BAFTA-award winning, multi-million selling Race Driver: GRID.

Price 7.25€
Rating 8.2
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% 7.06€
Rating 8.8
Release -
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 -91% 2.20€
Rating 8.7
Release -
Serious Sam Fusion 2017 (beta) Serious Sam Fusion is a central hub for several existing Serious Sam games developed by Croteam. Cool new features, engine upgrades, patches and updates will be released to existing owners for FREE!

Price -90% 1.49€
Rating 9.0
Release -