Yes — co-op, plus local/split-screen. Dungeon Defenders is a tower defense game released in 2011, 93% positive on Steam (18,060 reviews), with 284 playing right now. $14.99 on Steam.
Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!
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: Multiplayer, Online Co-Op, Tower Defense, Singleplayer, Strategy, Survival, Action RPG, Character Customization
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Dungeon Defenders 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 Dungeon Defenders? 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