Is Dungeon Siege III multiplayer or co-op?

Yes — co-op. Dungeon Siege III is a action rpg & dungeon crawler game released in 2011, 57% positive on Steam (2,867 reviews), with 9 playing right now. $14.99 on Steam.

Steam tags: RPG, Action, Fantasy, Action RPG, Co-op, Dungeon Crawler, Local Co-Op, Singleplayer

Do you and a friend both own Dungeon Siege III?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Dungeon Siege III is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Games like Dungeon Siege III you can play together

Tired of Dungeon Siege III? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Dungeon Siege III co-op?

Yes, Dungeon Siege III supports co-op.

Does Dungeon Siege III have PvP?

Steam does not list PvP for Dungeon Siege III.

How many people play Dungeon Siege III?

About 9 players were in-game when this page was built (2026-09-09).

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; updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation.