
Play four-player co-op seamlessly through Steam—no more port forwarding.

Unlock over 75 items over time, keeping each run fresh and full of new challenges.

Theorycraft and exploit endless item and character combos.

Discover lore through the collection of Monster, Item, and Environment Logs.

Play and unlock new and returning survivors, each with their own abilities to master.

Challenge your friends—and the world—in all-new Prismatic Trials, a unique seeded run where everyone can race up a global leaderboard.

Encounter challenging monsters and enormous bosses.

Explore massive, handcrafted 3D levels.