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Idle Demon Summoner
A dark yet vibrant idle game featuring creature collecting, tower-defense, and bullet-heaven elements. Unlock new demons and weapons to conquer distant worlds.

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Features
Single-player
Steam Achievements
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔ ✔
French ✔ ✔
Italian ✔ ✔
German ✔ ✔
Spanish - Spain ✔ ✔
Portuguese - Brazil ✔ ✔
Traditional Chinese ✔ ✔
Simplified Chinese ✔ ✔
Japanese ✔ ✔
Korean ✔ ✔
Polish ✔ ✔
Russian ✔ ✔
See all 12 supported languages
This game is not yet available on Steam

Planned Release Date: March 2026

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About This Game

A bullet heaven idle game where your demons fight for you — and grow stronger every run.

Conquer alien worlds with your summoned demons

Face endless waves of enemies across alien worlds and unleash the power of your demons. In this bullet heaven idle game, your team fights fully automatically while you gather valuable resources to grow ever stronger.

Collect tons of loot, unlock powerful upgrades, and expand your roster of demons.

Build your perfect demon team

Assemble your team strategically — positioning and abilities matter. Discover powerful synergies and optimize your formation to overcome even the most dangerous foes.

Unlock new demons with Soul Stones

Use Soul Stones to unlock new demons or strengthen your team. With a bit of luck, you may even recruit shimmering demons that grant unique power and flair.

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Intel Core i3 @1.2GHz
    • Memory: 4 GB RAM
    • Graphics: Intel HD Graphics 615 (Onboard)
    • Storage: 200 MB available space
    Recommended:
    • OS: Windows 10 64-bit
    • Processor: Intel Core i5 @3GHz
    • Memory: 4 GB RAM
    • Graphics: Intel UHD Graphics 750 (Onboard)
    • Storage: 200 MB available space
    Minimum:
    • OS: 64-bit
    • Processor: Intel Core i3 @1.2GHz
    • Memory: 4 GB RAM
    • Graphics: Intel HD Graphics 615 (Onboard)
    • Storage: 200 MB available space
    Recommended:
    • OS: 64-bit
    • Processor: Intel Core i5 @3GHz
    • Memory: 4 GB RAM
    • Graphics: Intel UHD Graphics 750 (Onboard)
    • Storage: 200 MB available space
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