Idle Mastermind

com.grumpyrhinogames.idlemastermind
FreeContains adsIn-app purchasesEveryone 10+

Key numbers

1K+Installs
4.6 / 4.1KRating
Mar 26, 2021Released
Sep 11, 2026Updated

Listing text

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 pla…

Get this app from the API

curl -H "X-API-Key: $API_KEY" \
  "https://apiplay.net/api/v1/app?id=com.grumpyrhinogames.idlemastermind"
import requests

r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'com.grumpyrhinogames.idlemastermind'},
                 headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()
const res = await fetch('https://apiplay.net/api/v1/app?id=com.grumpyrhinogames.idlemastermind', {
  headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();
$ch = curl_init('https://apiplay.net/api/v1/app?id=com.grumpyrhinogames.idlemastermind');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);

1,000 free credits a month, no card needed. API reference

Screenshots

Fields in the API response

Package namecom.grumpyrhinogames.idlemastermind
DeveloperGrumpy Rhino Games
Developer websitegrumpyrhinogames.com
CategorySimulation games
Installs (exact)476,983
Ratings4,083
Reviews484
PriceFree
In-app purchases$4.99 - $99.99 per item
AdsYes
Content ratingEveryone 10+
Current version1.35
Requires Android8.0
ReleasedMar 26, 2021
Last updateSep 11, 2026
Record refreshedOct 28, 2026

Rating breakdown

53.1K
4708
3150
2107
164

Most installed in Simulation games

See all