Heimdall Studios
Steam PC edition

Dungeon Defenders

Build defenses with your team, then fight alongside them through successive challenges. Improve your heroes’ equipment and divide the routes between teammates so your defenses and abilities cover the arena.

Official game information ↗

From the publisher

Updates & announcements

Patch 10.9.9

Dungeon Defenders patch 10.9.9 fixes the starting wave on Magus Citadel.

Publisher on Steam

Patch 10.9.8

Dungeon Defenders patch 10.9.8 adds separate Tower SFX and Ultimate Drop SFX sliders to the Options menu and fixes Magus Citadel skipping straight to the boss fight. The publisher says the starting-wave fix will come in the next patch.

Publisher on Steam

Patch 10.9.7

Dungeon Defenders patch 10.9.7 addresses saving issues, raises the hero limit from 48 to 56 and the tavern drop limit from 240 to 360. It adjusts Bouncy Blockade health and range, reduces the Luminescence Hologram Crystallizer Sword's base hawk damage by 40%, and fixes Mage Boss teleports and Anime Summoner visibility. The Shaman remains available to test on the publicbeta_shaman branch; the DLC is not described as released.

Publisher on Steam

Announcement of Server Maintenance

Chromatic Games reports that servers are down for backend work and are expected to return with update 10.9.7. The Shaman is available to test on the publicbeta_shaman branch, with some UI work still unfinished.

Publisher on Steam · Ongoing maintenance

Patch 10.9.6

Patch 10.9.6 adds the Harbinger Minion, adjusts loot quality and tower balance, and fixes several issues. The separate save-system fix is still in progress; backend work remains before another expected patch.

Publisher on Steam

Checked 2026-10-23 · Publisher announcements reviewed for this edition.

Your content route

Steam Workshop

Subscribe to the exact game’s Workshop item. Steam manages its content; the game may require selecting or activating it in the relevant content menu.

Built-in Steam Workshop route; no external loader is established by this method.

Requirements

Keep an unmodified save where local save backup is supported. Test on disposable content before altering an important world; disable managed content in the game and unsubscribe. Removing content may not repair a modified save.

Know your edition

Game details

Edition scope

This guide’s update and mod instructions apply to the identified Steam PC edition. Other stores, console releases and test branches can differ.

windows

Community context

Steam displays 80% positive across 46 reviews in the last 30 days at this review. This is a small sample.

Review aggregates describe the displayed sample and can change.

Sources & review

Reviewed October 17, 2026. Exact editions and mod requirements can differ across stores and branches.

This is an informational guide. Automatic mod-folder preparation and package installation are not enabled for this game in Heimdall Link.