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...
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.
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.
Previous Versions
Here you can find the changelog of Idle Mastermind since it was posted on our website on 2020-08-10 00:14:18.
The latest version is 1.34 and it was updated on 2026-06-18 06:16:26. See below the changes in each version.
Idle Mastermind version 1.34
Updated At: 2025-10-29
Changes: + Technical update.
Idle Mastermind version 1.33
Updated At: 2025-05-06
Changes: + Added Evil Eye skins for Big Shot, Maw, Influenza and Bullion.
+ Hax's default trait has been improved.
+ Hocus's Evil Eye skin has had its name and cost changed.
+ Technical updates.
+ More bug fixes.
Idle Mastermind version 1.32
Updated At: 2025-04-29
Changes: + Added Evil Eye skins for Big Shot, Maw, Influenza and Bullion.
+ Hax's default trait has been improved.
+ Hocus's Evil Eye skin has had its name and cost changed.
+ Technical updates.
+ Bug fixes.
Idle Mastermind version 1.30
Updated At: 2024-05-21
Changes: + New skins for Ms DOS, Sharktooth, Slug, Hax and Freedom Eagle, all available from the Mutation Stone shop.
+ Technical improvements and bug fixes.
Idle Mastermind version 1.31
Updated At: 2024-05-21
Changes: + New skins for Ms DOS, Sharktooth, Slug, Hax and Freedom Eagle, all available from the Mutation Stone shop.
+ Technical improvements and bug fixes.
+ Improved frame rate on certain devices.
Idle Mastermind version 1.29
Updated At: 2023-05-19
Changes: + Added the “After the Grand Plan” City Theme. This City Theme is a wasteland set after the supervillains have executed their plans. You can buy it from the shop and it gives a +300% Infamy bonus.
+ Reduced the cost of replaying a random event for Evil Eye currency from 5k Corruptonite to 3k.
+ Other tweaks and bug fixes.
Idle Mastermind version 1.28
Updated At: 2022-11-18
Changes: + The Snowfall event is back.
- Complete tasks to earn Candy Canes to purchase seasonal skins.
- 8 skins including "Cold Sharp" skin for Card Sharp (new for this year).
- A new "Igloo" lair theme. This theme is shared by all 3 villains and can be purchased permanently. Once purchased it grants +15% Producer Speed.
- Unlock the "Snowed Under" city theme permanently.
- The event finishes at midnight on December 26th.
+ Golden Throne and Auction Room now change with lair skin.
+ Some bug fixes.
Idle Mastermind version 1.20
Updated At: 2022-04-27
Changes: + Evil Eye skill tree has been completed. It now has 50 skills and a whole load of new content (including a new henchman).
+ Note some achievements and costs for the normal supervillain skill trees have been changed as part of this update.
+ Bug fixes.
Idle Mastermind version 1.12
Updated At: 2022-02-23
Changes: + Added “The Time Before Crime” theme. This prehistoric city theme comes with a dinosaur crane, lava lakes and a primeval train. As well as -3% Superhero Max Health boost.
+ Interrogation Room finally has dialogue (lots of Yara-specific dialogue)
+ The Golden Throne, Drone Bays and Mutators will show exclamation points when they should be interacted with.
+ The Golden Throne’s bonus will end if you destroy the Golden Throne.
+ Fixed some typos.
+ Improved advert availability.
Idle Mastermind version 1.11
Updated At: 2021-12-09
Changes: + Snow is falling and the Snowfall event has begun. This event will run until midnight the 26th of December. You must have executed at least three Grand Plans to start it. The event has 7 skins (including the new Shredder and Star Man skins for this year) and you can unlock the Snowed Under theme permanently.
+ Made some text changes to traits to make them more consistent.
Disclaimer
Official Google Play Link
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