Idle Mastermindandroid
Grumpy Rhino Games · Simulation

About

Rated for 7+Ad-supportedDeveloper site
Ever wanted to be the villain? Build a lair? Hire henchmen? Take over the world?
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.

Screenshots

Store gallery · 21
🇿🇦
#109
South Africa · grossing
Games · Simulation
🇮🇹
#185
Italy · grossing
Games · Simulation

Store presence

As of Jul 18, 2026stale (61d)
Rating 4.28
Ratings 4,032
Price
Version 1.34
Updated Oct 29, 2025
Released Mar 25, 2021
Installs 100,000–474,425
In-app purchases R 85,99 - R 1 749,99 per item

Rating breakdown

Store rating histogram · 4,032 ratings
52,240 (56%)
41,120 (28%)
3448 (11%)
20 (0%)
1224 (6%)

Rank grid

Current rank by country × genre, shown as color bands
1–3 4–10 11–50 51–100 100+
🇿🇦ZA🇮🇹IT
Games · Simulation
109
185

Rank over time

Choose chart, genre, and markets to compare

Version history

Versions observed at capture, newest first
v1.34Oct 29, 2025
+ Technical update.

Update impact

Dated releases · rank and review signals, 14 days before → after

Review sentiment over time

Positive, neutral, and negative share by month, week, or version

Player reviews

Recent store reviews · rule-based labels
Review coverage is not available yet for this app.