Idle Mastermind

Name: Idle Mastermind
Rating: 4.610526 (4085 reviews)
Author: Grumpy Rhino Games

Grumpy Rhino Games

★ 4.6 (4,085 ratings)

⬇ 100,000+ downloads

Est. actual: 477,060

Style: Simulation

Free

Released: Mar 26, 2021

IAP: $4.99 - $99.99 per item

Contains ads

Rated: Everyone 10+

Mechanics Idle / incremental Tycoon & management RPG & hero collector

Signals

4 this week · 1 positive · 1 warning All of this week's signals →

📈Last 7 days +110 installs — 50% slower than the week before (+221) · 25/day since Sep 18
🏆Among Simulation games top 41% by installs gained this week (22384 peers growing)
⭐Rating steady at ★ 4.61 since Sep 18
🛠Updates quiet · updated 52 days ago

Installs since launch

+1,111 installs · +22 ratings since Sep 18

Update history

1.35 Sep 11, 2026 · seen Sep 18, 2026

+ Large technical update.

Only the current version so far — new entries appear as the game ships updates.

Trailer

Idle Mastermind is a simulation game by Grumpy Rhino Games with 100,000+ downloads (about 477K estimated). +110 installs in the last 7 days. Rated 4.6 from 4.1K ratings. Released Mar 26, 2021. Install growth, rank history, SDKs and ad networks.

From the store listing: “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…”