Idle Demon Summoner blends creature collection with tower-defense combat in an idle framework where you unlock demons and weapons to progress through worlds. The core appeal lies in assembling synergistic demon teams for optimal damage output, though late-game balance issues and grindiness frustrate some players—it works best as a low-attention second-screen experience rather than active gameplay.
About this game
A dark yet vibrant idle game featuring creature collecting, tower-defense, and bullet-heaven elements. Unlock new demons and weapons to conquer distant worlds.
Players, last 77 days
Peak 5 · Low 0
Daily peak concurrent players, sampled once a night from Steam.
What players are saying
▼ Not recommended0 hrs
Honestly this game is horrifically tedious and grindy. I love idle and progression games, feel free to check my profile that has literally thousands of hours played for this exact genre, this is just torture and NOT fun. I'm hoping the developers figure out how to fix things so it doesn't feel so horribly boring, or at least add some automation to it if it's going to be so mind numblingly boring to play.
this is a fun idle game that can play itself if you want it to.
It took about 55 hours to work through all the content.
The mixing and matching of demons for optimal coverage is quite challenging and the best part of this weirdly soothing game.
I hope the dev makes it so you can select a particular monster during battle to only see its damage. In late game is it pretty chaotic with all on or all off.
really fun little idle game. dont play them too often, but it is a good second screen game, especially for that price. though strategy goes out of the window at the late game stage
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 is totally off, let me know aswell. Have fun hunting for achievements!
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 recognizing the language settings of your client for the game. Make sure to set your prefered language in the steam client settings: 1. Go to the library page of Idle Demon Summoner 2. Click on the gear icon or right click the game in entry in your list of games 3. Click on Preferences 4. Switch to your prefered language in the Generals Tab
Posts come from Steam's official announcements feed.
