Ammossum

Build an endlessly upgradable weapon! Evolve projectiles into unstoppable firepower in this action roguelike. Fight through hordes of infected beasts, hunt down the source of the plague, and feel the thrill of bloody shootouts filled with bullets, explosions, and acid. Can you survive the madness?

Ammossum
DeveloperWest Glade
PublisherYahaha Games
Released28 Sep 2026 (upcoming)
PriceComing soon
Reviews–
RoguelikeSingleplayerReplay ValueAction-AdventureAction RoguelikePhysicsActionCombatRogueliteGun CustomizationSide ScrollerDungeon Crawler
Followers
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Steam community

Where it ranks on Steam

Popular upcoming#67

Updates & news

0 updates in the last 90 days.

Ammossum Releases September 28!
Update 0.9.9.1 Update is here!
Update On the Edge of Release: 0.9.9.0 Demo Update
Ammossum is Joining Steam Next Fest!
Update 0.9.7.4 Update is here!
Update 0.9.7.3 Update is here!
0.9.7.1 A bunch of fixes are here!
0.9.7 A bunch of fixes are here! (And sorry — we had to wipe all user progress)
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