Is Dungeon Defenders II co-op?

Yes, Dungeon Defenders II supports co-op.

Does Dungeon Defenders II have PvP?

Steam does not list PvP for Dungeon Defenders II.

Do we both need to own Dungeon Defenders II to play together?

Yes. Dungeon Defenders II is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Dungeon Defenders II?

About 351 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Strategy › Tower defense

Is Dungeon Defenders II multiplayer or co-op?

Yes — co-op. Dungeon Defenders II is a tower defense game released in 2017, 77% positive on Steam (21,823 reviews), with 351 playing right now. Free on Steam.

Co-opSingle-player tooStrategy · Tower defense

Dungeon Defenders II is a cooperative Action Tower Defense game packed with roleplaying elements like loot, leveling, and pets.

How Dungeon Defenders II plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
Single-player mode: Yes
Controller: Partial controller support

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, Co-op Campaign, Tower Defense, Singleplayer, Strategy RPG, Survival, Action RPG

Do you and a friend both own Dungeon Defenders II?

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

Or open the Steam store page.

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

Quick answers

Is Dungeon Defenders II co-op?: Yes, Dungeon Defenders II supports co-op.
Does Dungeon Defenders II have PvP?: Steam does not list PvP for Dungeon Defenders II.
Do we both need to own Dungeon Defenders II to play together?: Yes. Dungeon Defenders II is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Dungeon Defenders II?: About 351 players were in-game when this page's data was last refreshed (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; 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