Yes — co-op. Defiance is a looter shooter game released in 2014, 77% positive on Steam (12,640 reviews), with 2 playing right now. price varies on Steam.
Join the futuristic online open-world shooter where thousands of players scour a transformed Earth competing for alien technology.
Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.
Steam tags: Free to Play, Looter Shooter, Open World, Action, Massively Multiplayer, Multiplayer, Third-Person Shooter, RPG
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Defiance is one of them — then helps you pick tonight's game with a weighted roll or a bracket.
Or open the Steam store page.
Tired of Defiance? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.
Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass