Online Co-Op

Games with this tag, best-reviewed on Steam first.

10399 games

BTerraria2011 · Action, Adventure
1 ratingSteam: 97% of 1,557,233BLeft 4 Dead 22009 · Action
1 ratingSteam: 98% of 1,060,156Lethal Company2023 · Action, AdventureNo ratings yetSteam: 97% of 411,539CBloons TD 62018 · Strategy
1 ratingSteam: 97% of 395,454Split Fiction2025 · Action, AdventureNo ratings yetSteam: 97% of 78,368WEBFISHING2024 · Casual, IndieNo ratings yetSteam: 97% of 57,347CBattleBlock Theater®2014 · Action, Adventure
1 ratingSteam: 97% of 72,913Wobbly Life2025 · Action, AdventureNo ratings yetSteam: 97% of 33,024Just Shapes & Beats2018 · Action, IndieNo ratings yetSteam: 97% of 24,037Bopl Battle2023 · ActionNo ratings yetSteam: 97% of 21,527Goat Simulator 32024 · Adventure, CasualNo ratings yetSteam: 97% of 13,777WolfQuest: Anniversary Edition2025 · Action, RPGNo ratings yetSteam: 97% of 11,506CGarry's Mod2006 · Casual, Indie
1 ratingSteam: 97% of 1,267,411BBaldur's Gate 32023 · Adventure, RPG
1 ratingSteam: 97% of 858,965CR.E.P.O.2025 · Action, Early Access
1 ratingSteam: 96% of 426,005Castle Crashers®2012 · Action, AdventureNo ratings yetSteam: 96% of 109,644The Planet Crafter2024 · AdventureNo ratings yetSteam: 96% of 68,827BLeft 4 Dead2008 · Action
1 ratingSteam: 96% of 68,205PowerWash Simulator2022 · Casual, IndieNo ratings yetSteam: 96% of 50,918Clone Drone in the Danger Zone2021 · Action, IndieNo ratings yetSteam: 96% of 36,080LEGO® Star Wars™ - The Complete Saga2009 · AdventureNo ratings yetSteam: 96% of 20,766Streets of Rogue2019 · Action, AdventureNo ratings yetSteam: 96% of 17,213Monster Prom 2: Monster Camp2020 · Indie, SimulationNo ratings yetSteam: 97% of 4,993FlyKnight Enhanced Edition2025 · Action, AdventureNo ratings yetSteam: 96% of 10,429