Steam

Idle Demon Summoner

Also known as Idle Demon Summoner, idle demon summoner, 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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Last update

24 May 2026

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Latest update

AnnouncementPublished 01 Apr 2026

v1.1.1Version 1.1.1 - Achievements!

Achievements now have been added in version 1.1.1! All achievements have been integrated and tested, so there should be nothing breaking. However if you find a bug, please let me know. Also, if you think any achievement…

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Latest updates

Update history

Browse past updates and patch notes for this game.

4updates

March 2026
Idle Demon Summoner Release!Thanks to everyone who already got themselves a copy or is planning to do! I hope you guys will have as much fun with the game as I had developing it. A little info on the side: It seems that Steam is currently not reco…Announcement28 Mar 2026
Demo version 0.12 Demo Version 0.12 is finally here! Jump in and start making progress toward the full game today. This update brings exciting new content and improvements, including: Brand-new demons, with new abilitie…v0.125 changesGameplayMapsPatch notes22 Mar 2026
Upcoming Demo Version 0.12.X I'm happy to announce that a big update to the demo version will go live in the coming days! This update introduces new demons, a brand-new starting map with a dozen new enemies, and several…2 changesMapsGameplayPatch notes18 Mar 2026

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