Best Mastermind Idle Apps & Games

246+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Looking for free mastermind idle apps and games? 20 of our 246+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Mastermind Idle

Idle Mastermind#1

Idle Mastermind by Grumpy Rhino Games LTD

Play the super villain!
Editor's Choice
🎮 Games
4.6😐(418 ratings)
FreeAdsIn-App Purchases
Idle Mastermind screenshot 1
Idle Mastermind screenshot 2
Idle Mastermind screenshot 3
Idle Mastermind screenshot 4
Idle Mastermind screenshot 5
Idle Mastermind screenshot 6

Embrace your inner supervillain in this idle simulation game. Build a secret lair, recruit henchmen, and execute dastardly plans to take over the world. Choose from three unique villains, each with their own strategies and grand schemes.

What We Love

  • 🎨 Beautiful pixel art and visual design
  • 😂 Witty humor and charming character dialogue
  • 🎮 Engaging idle game mechanics with good progression
  • ⏰ Balanced gameplay between idle and active play

Room to Improve

  • 🐌 Painfully slow progression and grinding
  • 💸 Aggressive monetization and expensive in-app purchases
  • 🔐 Content locked behind paywalls required for progression
NecroMerger - Idle Merge Game#2

NecroMerger - Idle Merge Game by Grumpy Rhino Games LTD

Merge monsters, feed your pet
Strong Contender
🎮 Games
4.8😊(6.1K ratings)
FreeAdsIn-App Purchases
NecroMerger - Idle Merge Game screenshot 1
NecroMerger - Idle Merge Game screenshot 2
NecroMerger - Idle Merge Game screenshot 3
NecroMerger - Idle Merge Game screenshot 4
NecroMerger - Idle Merge Game screenshot 5
NecroMerger - Idle Merge Game screenshot 6

Summon and merge creatures using dark magic to feed your insatiable pet. Expand your lair, unlock powerful abilities, and manage resources to grow your monster collection. This idle merge game offers a unique blend of mechanics for endless fun.

What We Love

  • 🕹️ Addictive and quirky gameplay
  • 🎨 Fantastic pixel art and design
  • 🎶 Catchy and engaging soundtrack
  • 🕰️ Satisfying progression and merging mechanics

Room to Improve

  • ⏱️ Slow progression and limited gameplay sessions
  • 🧭 Lack of space/storage for managing resources
  • 🕰️ Long cooldowns on events and activities
Idle Heroes - Idle Games#3

Idle Heroes - Idle Games by DHGames Limited

Play Different, Go Idle!
Worth Considering
🎮 Games
4.8😐(107K ratings)
FreeAdsIn-App Purchases
#50in Games
Idle Heroes - Idle Games screenshot 1
Idle Heroes - Idle Games screenshot 2
Idle Heroes - Idle Games screenshot 3
Idle Heroes - Idle Games screenshot 4
Idle Heroes - Idle Games screenshot 5

Assemble and train a powerful squad of heroes in this idle RPG. Your heroes train automatically while you're away, gaining new abilities and becoming stronger. Explore dungeons, battle darkness, and compete in global arenas and guild wars.

What We Love

  • 🚀 Fast progression for new players
  • 👍 Enjoyable gameplay and character collection
  • 🕰️ Idle/passive progression when away from the game
  • 💎 Generous free currency rewards

Room to Improve

  • 💰 Expensive in-app purchases and pay-to-win mechanics
  • 🕰️ Slow progression for free-to-play players
  • 🐛 Bugs, crashes, and server issues

More Mastermind Idle apps to explore

4
Legend of Slime: Idle RPG
Legend of Slime: Idle RPG
Legend of Slime: Idle RPG
Schleim Abenteuer Rollenspiele
Free

Command adorable Slimes in an epic idle RPG adventure. Collect loot, evolve heroes, and conquer stages through auto-battles, even offline. Rally your clan to defend your homeland in endless battles for rewards and glory.

Idle auto-battle gameplayAFK rewardsHero and Slime collection
🎮 Games
(41K)
free with in-app purchases
5
Pocket Politics: Idle Money
Pocket Politics: Idle Money
Pocket Politics: Idle Money
Addicting Get Rich Clicker!
Free

Automate your political lobbies to earn idle cash and rise through the ranks. Invest your earnings to multiply profits and collect endorsements. Prestige to grow your empire and compete in events for multipliers.

Automate lobbies for passive incomeInvest idle cash to multiply profitsCollect politician endorsements
🎮 Games
(3.3K)
free with in-app purchases
6
Idle Mafia
Idle Mafia
Idle Mafia
Rule Crime Empire! Get Rich
Free

Build and manage your own criminal empire in this idle simulation game. Recruit unique characters, expand your territory, and make a fortune through various illicit businesses. Play as a benevolent leader or a ruthless crime lord.

Manage illicit businessesRecruit unique CaposExpand territory
🎮 Games
(110K)
free with in-app purchases
7
Battle Night
Battle Night
Battle Night
Fantasy punk Idle RPG
Free

Embark on an idle RPG adventure in a cyberpunk future. Assemble a team of heroes, train them while you're away, and battle unique bosses. Explore futuristic maps and engage in various challenge modes.

Idle gameplay systemFuturistic cyberpunk settingInnovative boss battles
🎮 Games
(12K)
free with in-app purchases
8
Idle Evolution Tycoon Clicker
Idle Evolution Tycoon Clicker
Idle Evolution Tycoon Clicker
Idle Evolution - Relax Game
Free

Simulate the creation and development of life on Earth across different historical eras. Build territories, introduce species, and manage resources to become a world-building tycoon. Experience a fascinating evolutionary process with beautiful graphics and engaging gameplay.

World building simulatorEvolutionary process simulationTerritory expansion
🎮 Games
(11K)
free with in-app purchases
9
Eternal Evolution: Idle RPG
Eternal Evolution: Idle RPG
Eternal Evolution: Idle RPG
SCI-FI IDLE GAME
Free

Embark on an epic sci-fi adventure in this idle RPG. Collect over 100 unique heroes from three factions, strategize your squad's combat, and explore a rich fantasy universe. Enjoy continuous progress even when you're away from the game.

Collect unique heroesStrategic squad combatFantasy sci-fi world
🎮 Games
(2.5K)
free with in-app purchases
10
Idle Superpowers
Idle Superpowers
Idle Superpowers
by Lutz Schoenfelder
Free

Embark on a roguelike idle RPG adventure as a superhero with a vast array of unlockable, combinable superpowers. Experience unique runs with procedurally generated items and enemies, and overcome challenges that demand diverse playstyles.

Unlock 99+ superpowersCombine superpowers for synergiesRandom power generation
🎮 Games
(809)
free with in-app purchases
11
Storage Empire-Idle Tycoon
Storage Empire-Idle Tycoon
Storage Empire-Idle Tycoon
Wealth builder, Idle biz game
Free

Build and manage a vast storage empire, constructing various warehouses and hiring movers to meet customer needs. Earn profits and expand your business, even offline, by strategically upgrading facilities and anticipating market trends to become the ultimate tycoon.

Build diverse warehousesHire and train moversUpgrade storage facilities
🎮 Games
(9.2K)
free with in-app purchases
12
Idle Apocalypse
Idle Apocalypse
Idle Apocalypse
Cult Resource Management!
Free

Manage a cult, summon demons, and build a tower to destroy the world in this idle clicker simulator. Gather resources, craft monsters, and cast spells to achieve the ultimate apocalypse.

Cult resource managementSummon legendary demon godsBuild and craft a tower
🎮 Games
(2.4K)
free with in-app purchases
13
Box Office Tycoon - Idle Game
Box Office Tycoon - Idle Game
Box Office Tycoon - Idle Game
Fun Idle Movie Theater Game
Free

Manage and grow your own movie theater empire. Build concessions, upgrade stations, and hire managers to earn cash. This casual idle game lets you customize your cinema and become a box office tycoon without endless tapping.

Build and upgrade movie theatersHire managers for faster earningsCustomize theater and personalize experience
🎮 Games
(4.7K)
free with in-app purchases
14
Tap Tap Builder: Idle City
Tap Tap Builder: Idle City
Tap Tap Builder: Idle City
Charming city-building game
Free

Build your dream city from the ground up by tapping to construct buildings and earn money. Manage resources, hire workers, and deal with city challenges like fires and crime. The city generates income even when you're offline, and you can trade with friends.

Tap to build structuresEarn money offlineHire workers
🎮 Games
(351)
free with in-app purchases
15
Rogue with the Dead: Idle RPG
Rogue with the Dead: Idle RPG
Rogue with the Dead: Idle RPG
A roguelike idle strategy game
Free

Command and upgrade troops in a roguelike idle RPG. Your mission is to defeat a Demon Lord, with fallen soldiers and lost progress making you stronger for the next attempt. Explore a pixel art world, collect artifacts, and enjoy exponential power growth.

Roguelike idle RPG gameplayCommand and upgrade troopsCollect powerful artifacts
🎮 Games
(5.3K)
free with in-app purchases
16
Planet Evolution: Idle Clicker
Planet Evolution: Idle Clicker
Planet Evolution: Idle Clicker
Relaxing Incremental Idle Game
Free

Build and decorate unique planets in space with beautiful objects. This relaxing idle game allows for strategic competition on real-time leaderboards. Collect coins, use upgrades and boosters, and continue progressing even when offline.

Planet decoration and buildingIncremental idle gameplayReal-time leaderboard competition
🎮 Games
(28K)
free with in-app purchases
17
Crush Them All - Idle RPG
Crush Them All - Idle RPG
Crush Them All - Idle RPG
Idle Heroes Battle RPG
Free

Embark on an idle RPG adventure to defeat bosses and rescue a princess. Collect and upgrade heroes, launch skills, and explore over 1000 stages. Progress even when offline, earning gold and battling enemies.

Collect and upgrade heroesLaunch visually impressive skillsExplore 1000+ stages
🎮 Games
(32K)
free with in-app purchases
18
MapleStory : Idle RPG
MapleStory : Idle RPG
MapleStory : Idle RPG
MapleStory, Now an Idle RPG
Free

Embark on an idle adventure in a beloved fantasy world. Your character grows stronger automatically, even offline. Gather companions, conquer dungeons, and compete in PvP, all while customizing your look.

Auto Battle & Auto GrowthReliable Companion SystemVarious Growth Dungeons
🎮 Games
(8K)
free with in-app purchases
19
IdleOn - Idle RPG
IdleOn - Idle RPG
IdleOn - Idle RPG
Endless content to upgrade!
Free

An idle RPG with endless content and deep complexity. Choose classes, level up skills, and gather resources while offline. Features include Tower Defense, Pet Battles, and extensive crafting.

17 unique classes250 skill perksExtensive RPG content
🎮 Games
(2.5K)
free with in-app purchases
20
Make More!
Make More!
Make More!
Idle Manager
Free

Build and manage a factory empire, starting with one employee and expanding to multiple locations. Hire, train, and even replace workers with robots to automate production and maximize profits. Collect unique workers and products while aiming to become a billionaire tycoon.

Hire and train workersAutomate productionRun multiple factories
🎮 Games
(8.6K)
free with in-app purchases