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Ad IterumNewsAd Iterum demo is out now!
Major update

Ad Iterum demo is out now!

Ad Iterum · published 31 Jul 2026, 03:01 UTC · build 24468022

All newsPlayers around this dateRead on Steam

After eight months of development, Demo is OUT now!

Collapsing floors, gas vents, toxic traps, alarms that call the whole floor down on you, and corpses that were rigged to explode. Fire spreads. Oil ignites. Deep water hides things... the dungeon wants you dead.

Enemies roll their own modifiers: Berserk, Poisonous, Elite, Infested, Oversized, Immortal... the same creature is never quite the same fight twice. Some explode when they die, others keep spawning foes until you deal with the source, while others will try to steal your gear and run away.

Eat your enemies or find mutagens that reshape your body and the run: Phase through defenses, grow claws or quills, photosynthesize instead of eating, sprout a third eye... some are gifts, some are curses, most are both.

You can also craft, and cook (you should probably cook, raw meat is always risky).

What's in the Demo?

  • 1 dungeon with 1 procedurally generated biome

  • 1 boss

  • 2 endings

  • 20 mutations

  • 20 genetic grafts to tune up your build

  • 10 base enemies, each with unique behaviour within the ecosystem. Each enemy might have multiple modifier traits, which makes for hundreds of different variations

  • 200 items

  • Basic crafting

  • English, Spanish, Japanese localization

  • Keyboard, mouse support, and full controller support

  • Playable in Windows, macOS, and Steam Deck via proton

What's next?

While there's still much to do, the game is still in the path to be launched by the end of the year, no early access but direct full release.

If you'd like to participate in ongoing development, share feedback, or get access to early builds with the new stuff, come and join Discord!

Thanks for playing!

More from Ad Iterum

Other announcements

All news
In-game event1 Oct 2026Beta 0.6.0: Active mutations are hereActive vs Passive mutation skills Mutations are no longer passive, and all of them have both an active and a passive effect. The active effect can be triggered when you want, with a cooldown based on each as well as the instability level, the passive effect always is on. This also comes with up to 4 hotkeys in the UI to use them, as many as mutations your body can hold -by default- at any given…In-game event18 Sep 2026Beta 0.5.2: Demo update!Heya! The demo has been out for a bit longer than a month now, so an update was due. Quests I've introduced questing into the game with the latest version. All quests are currently optional, but some are marked as main story line while others are entirely procedurally generated based specifically on your run. Currently there are 6 quests already built into the game. Demo update Demo is now upda…In-game event10 Sep 2026Beta 0.5.0: Character selection, stranger bosses, and more build varietyBuild 0.5.0 is ready in the playtesting branch with new ways to shape your character and more trouble waiting in the depths. Crowded depths I've added three additional bosses to the dungeon roster, which you will find randomly through the run. Boss rooms also appear more often from depth 3 onward. Hunters eventually begin stalking every biome, so going deeper should now feel a little less predi…