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Drink the potion and step into the Domain of Hallucination, where survival is your only goal. Each run is unique: new maps, unpredictable enemies, and a fresh arsenal of weapons await every time you enter. But beware—the Game Master’s relentless challenges will test your limits over and over again.

Grow stronger by engraving yourself with ancient, mystical symbols, unlocking powers to dominate your foes. Escape the hallucination alive, and you’ll be rewarded generously.

This game combines the intensity of the bullet hell genre with the strategic depth and satisfaction of bullet heaven.

During your run you choose your next encounter by placing new map tiles, each with their unique challenges and rewards.

Domain of Hallucination
Livio CozzioDeveloper
HSLUPublisher
Q2 2025Release
🎹🖱️ Keyboard + Mouse
🕹️ Partial Controller Support
🎮 Full Controller Support
7 user reviews (7 reviews)
Public Linux Depots:
  • [0 B]
DoH wins an Award! Also: The Skip Button Patch!

Hello everybody! Thanks for joining the early access & already playing so actively.

Last weekend, we spent three days at HeroFest 2025 in Bern, showing off the game to the public for the second time (after Fantasy Basel this year). And we ended up winning an award:

The Valiant Indie Games Award - Nox Award for Technical & Mechanical Excellence!

[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/45321059/1ca0ef4ce5a16d70805a7eb9b998c7819f78e61d.png\"][/img]

(Those two dudes on the right are Jonas Wiesli (Director) & Marcel Schrch (Meta-Progression Master). You can tell this is day three of the con by how crusted up we are.)

It was a huge honor, and we\'re very proud of the whole team for putting together something like this. It\'s a nice confirmation that we aren\'t just weird tinkerers making something only we enjoy, but that we\'re weird tinkerers making something someone else can enjoy as well.

Well, I think we\'ve definitely proven our technical excellence by having a huge bug right in the loot menu for everyone to see!

[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/45321059/38a2578334a6b5c2bdbfcf13ed443b38ea006282.png\"][/img]

Looks like the Skip button didn\'t work.

Whoops.

Let\'s fix that. We\'ve also decided to add two new achievements & unlocks related to the skip button, reworking it so that it appears throughout progression. We\'ve also decided to reduce the starting health of the jungle boss a bit, since players starting out usually don\'t know how to make the most efficient builds yet. That led to very long and drawn-out battles against the fiend of foliage, which should be less punishing now. Instead, we\'ve added the long & drawn-out battle as an achievement, so if you\'re already feeling nostalgic for that, go nuts.

In addition, there\'s been a bunch of squashed bugs, check em out:

Full Changelog

Changes

  • Two new achievements & machine nodes added

    [list]
  • Skip button for loot menu must now be unlocked via metaprogression

    [/*]
[/*]
  • Reduced Jungle Boss Health (2500 1800)

    [/*]
  • After defeating a boss, theres a camera shake

    [/*]
  • [/list]

    Bug Fixes

    • Skip Button works again

      [/*]
    • Skip Button now makes Button sounds

      [/*]
    • Tier 0 Engravings no longer show up in item pool

      [/*]
    • Tasted Bad!-Text now spawns in the right place

      [/*]
    • Fixed bug where expiring Coconuts were not counted towards achievement progress properly

      [/*]
    • Fixed Delirious Achievement

      [/*]
    • When an item is rejected by the anvil, it no longer repeats said rejection infinitely

      [/*]
    • Fixed Progress Bar for Slow Killer Achievement

      [/*]
    • Fixed Bug related to trading Tile Rerolls at the Fruit Market

      [/*]

    Hope you\'re happy skipping engravings for now, because those are going to be the next major thing we wanna overhaul!

    Have a good one & see ya then,\nTeam Quintuple-A

    [ 2025-10-12 22:04:08 CET ] [Original Post]

    Minimum Setup

    • OS: Debian 12 (Bookworm)
    • Processor: AMD Ryzen 7 5800XMemory: 1 GB RAM
    • Memory: 1 GB RAM
    • Graphics: DX11. DX12 capable
    • Storage: 600 MB available space
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