Idle Mastermind
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperGrumpy Rhino Games LTD
CategoryGames
PriceFree
Released
Rating★ 4.9 (13)
Version1.35
Age rating12+
First seen by us
24 Oct 2026
Rating
4.9 ★
13 ratings
Measured
Idle Mastermind on the App Store
App details
App ID
1488900054
Publisher
Grumpy Rhino Games LTD
On the store since
Mar 2021
5 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase · Game Center
Content rating
12+
4 content notes below
Languages
1
EN
Size
300 MB
Also listed in
Simulation, Role-Playing
Content notesInfrequent/Mild Profanity or Crude HumourInfrequent/Mild Alcohol, Tobacco, or Drug Use or ReferencesInfrequent/Mild Mature/Suggestive ThemesInfrequent/Mild Cartoon or Fantasy Violence
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.9 ★
13 ratings
Measured
Ratings
13
Measured
About Idle Mastermind
Ever wanted to be the villain? To build a lair? Hire henchmen? Fight superheroes? Concoct dastardly plans? Raid a city? Or… take over the world?
No? What, really? Sure you do!
Idle Mastermind, from the makers of Idle Apocalypse, is the best supervillain simulator of 2020! Play as three supervillains. The techy but tiny: Dr DOS. The gangster crime boss: Yara. Or the unpredictable: LOL. Each has their own evil grand plan.
Build a lair to run your empire from. Hire a bunch of evil henchmen to do your bidding. Raid the city above to gain precious resources. Unlock new research and skills to improve your criminal, idle empire.
When you’re ready, execute your evil plan and bring about the apocalypse!
Play as 3 distinct villains, each with:
+ A unique lair with special floors and henchmen.
+ Different strategies, skills and stories.
+ Unique resource management styles.
Build your dream lair:
+ 30 unique floors.
+ Floors that will generate resources while offline.
+ Special floors with unique gameplay elements.
Hire an army of evil thugs:
+ 20+ henchmen.
+ Different classes, abilities.
+ Unique resource management gameplay.
And more...!
+ Collect heaps of skins.
+ Complete events.
+ Join the Evil Eye Association.
On top of that it has all the humour and inane chatter of a Grumpy Rhino game. The makers of Idle Apocalypse.
Lovers of simulation games and incremental clickers won’t be able to put down this dastardly, near criminal RPG.
No? What, really? Sure you do!
Idle Mastermind, from the makers of Idle Apocalypse, is the best supervillain simulator of 2020! Play as three supervillains. The techy but tiny: Dr DOS. The gangster crime boss: Yara. Or the unpredictable: LOL. Each has their own evil grand plan.
Build a lair to run your empire from. Hire a bunch of evil henchmen to do your bidding. Raid the city above to gain precious resources. Unlock new research and skills to improve your criminal, idle empire.
When you’re ready, execute your evil plan and bring about the apocalypse!
Play as 3 distinct villains, each with:
+ A unique lair with special floors and henchmen.
+ Different strategies, skills and stories.
+ Unique resource management styles.
Build your dream lair:
+ 30 unique floors.
+ Floors that will generate resources while offline.
+ Special floors with unique gameplay elements.
Hire an army of evil thugs:
+ 20+ henchmen.
+ Different classes, abilities.
+ Unique resource management gameplay.
And more...!
+ Collect heaps of skins.
+ Complete events.
+ Join the Evil Eye Association.
On top of that it has all the humour and inane chatter of a Grumpy Rhino game. The makers of Idle Apocalypse.
Lovers of simulation games and incremental clickers won’t be able to put down this dastardly, near criminal RPG.
Latest updates
1.35
+ Large technical update.