

Idle Demon Summoner
Chrio Games · March 27, 2026 · Casual, Idler, Creature Collector, Auto Battler, 2D
Buy the Idle Demon Summoner key for Steam from CJS CD Keys at $2.38 — the cheapest of 2 stores we compare.
Where to buy Idle Demon Summoner — official stores
Cheapest Idle Demon Summoner keys — keyshops
Keyshops are third-party marketplaces — keys are resold and can be region-locked or a different edition. Check the listing's region & edition before buying.
Idle Demon Summoner price by region
Idle Demon Summoner costs £0.83 in the United Kingdom, €0.95 in Europe (EUR), $2.38 in the United States, $2.38 in Georgia (USD), zł5.30 in Poland, CA$7.99 in Canada, A$8.99 in Australia, NZ$8.99 in New Zealand and R$19.99 in Brazil right now.
| Region | Best price | Official store | Key shop | Stores |
|---|---|---|---|---|
| £0.83 −83% | £5.00 | £0.83 | 3 | |
| €0.95 −83% | €5.49 | €0.95 | 2 | |
| $2.38 −60% | $6.00 | $2.38 | 2 | |
| $2.38 −41% | $4.03 | $2.38 | 2 | |
| zł5.30 −81% | zł27.49 | zł5.30 | 2 | |
| CA$7.99 | CA$7.99 | — | 1 | |
| A$8.99 | A$8.99 | — | 1 | |
| NZ$8.99 | NZ$8.99 | — | 1 | |
| R$19.99 | R$19.99 | — | 1 |
Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.
Screenshots
About Idle Demon Summoner
Idle Demon Summoner is a bullet heaven idle game where your summoned demons fight automatically while you gather resources to strengthen your team across alien worlds. Build strategic demon formations with powerful synergies, unlock rare shimmering variants, and watch your roster grow stronger with each run through endless enemy waves.
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.Idle Demon Summoner — game info
- Platforms
- Windows, Linux / SteamOS
- Steam Deck
- Verified
- Player modes
- Single-player
- PC Game Pass
- Not included
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
The game is easy to complete in 50 hours, although getting 100% achievements is not. It's a 1/1000 chance to get a shiny demon. But endgame you can only farm like 30 legendary souls an hour. In order to get ALL Legendary shinies, it's taken an insane amount of time. I'm at 170 hours right now and still don't have one. All I'm doing is pressing the repeat button (cuz it's NOT IDLE!!!! You have to manually start your run every time) to not get any shinies... :/ (so after 120 hours of completing the game, still no shiny, not even mythic .... :/ ) Hence the negative review. EDIT: I just logged in to try the devs comment with the refresh => I lost my cloud save and could start from scratch LOL, guess I'm not changing my review.2 found this helpful
Idle Demon Summoner turned out to be way more addictive than I expected. The summoning loop is smooth, the upgrades feel meaningful, and the power scaling is super satisfying to watch. It nails that perfect idle rhythm where you always feel like you’re progressing, even during short sessions. The art and atmosphere add charm, and the pacing kept me engaged the whole time. A genuinely fun and rewarding idle experience.2 found this helpful
Great Game! The grind feels rewarding and the game itself feels unique Everything you expect from a good idle1 found this helpful
I am sorry to give this a negative review - a warning, really - because I mostly like the gameplay. But it crashes a lot. And it doesn't save regularly, so you get nothing from crashed runs. Occasionally it CTDs; usually it freezes; fairly often it freezes but spawns a second copy, which runs until it doesn't... II'll attach my computer info in case it's relevant.
Funny that I'd finish at 666 hours... The game doesn't provide that much content, the very last achievement is just pure rng. That aside, it's okay, a nice snack for idle fans without any clicker elements to it.
I love idle and clicker games but this one is insanely griindy, i have spent 132 hours running to 100% and it is not satisfying at all, as well as the game completly deleting itself and ♥♥♥♥♥♥♥♥ itself after a power outage for no reason. The characters are very limited and tbh feel insanely underwhelming for the amount of grind you have to do to get them and to progress is at a literal snails pace.
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