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Best Idle Monster Shooter Apps & Games

206+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated July 2026

Whether you're new to idle monster shooter or looking for an upgrade, our curated collection of 206+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Idle Monster Shooter Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Idle Monster ShooterIdle Monster ShooterFree—NoNoMay 2026
2Idle Heroes - Idle GamesIdle Heroes - Idle GamesFree4.8★ (107K)YesYesJul 2026
3Ghost Invasion: Idle HunterGhost Invasion: Idle HunterFree4.8★ (6.5K)YesYesJul 2026
4Eternal Cannon Idle ShootingEternal Cannon Idle ShootingFree4.7★ (4.8K)YesYesJul 2026
5Rogue with the Dead: Idle RPGRogue with the Dead: Idle RPGFree4.9★ (5.3K)YesYesJul 2026
6Legend of Slime: Idle RPGLegend of Slime: Idle RPGFree4.7★ (41K)YesYesJul 2026
7Alien Invasion: RPG Idle SpaceAlien Invasion: RPG Idle SpaceFree4.8★ (126K)YesYesJul 2026
8Monster MergeMonster MergeFree4.8★ (9.1K)YesYesJul 2026

Top Picks for Idle Monster Shooter

Idle Heroes - Idle Games#2

Idle Heroes - Idle Games by DHGames Limited

Play Different, Go Idle!
Strong Contender
🎮 Games
4.8😐(107K ratings)
FreeAdsIn-App Purchases
#37in 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
Ghost Invasion: Idle Hunter#3

Ghost Invasion: Idle Hunter by Miniclip.com

RPG Monsters & Hordes Shooter
Worth Considering
🎮 Games
4.8😐(6.5K ratings)
FreeAdsIn-App Purchases
Ghost Invasion: Idle Hunter screenshot 1
Ghost Invasion: Idle Hunter screenshot 2
Ghost Invasion: Idle Hunter screenshot 3
Ghost Invasion: Idle Hunter screenshot 4
Ghost Invasion: Idle Hunter screenshot 5

Become a ghost hunter in this idle RPG, collecting spirits and battling bosses to restore balance. Evolve your hunter, upgrade skills, and complete quests across various environments. Experience stunning visuals and haunting soundscapes in this adventure.

What We Love

  • 👍 Great game
  • 🚀 Hours of fun
  • 👍 Fun gameplay
  • 👍 Awesome and addictive

Room to Improve

  • 🐛 Crashing issues
  • 🐛 Bugs in Graveyard area
  • 🐛 Delivery bots not working

More Idle Monster Shooter apps to explore

4
Eternal Cannon Idle Shooting
Eternal Cannon Idle Shooting
Eternal Cannon Idle Shooting
A Casual Tower Defense Game
Free

Defend your city by strategically upgrading cannons and walls. Unleash powerful skills and combinations to defeat waves of enemies in this engaging idle tower defense game. Compete with players worldwide in real-time rankings.

Dozens of upgrade projects with unique skillsUpgradeable walls with damage reflectionTransformable cannon with multiple firing modes
🎮 Games
(4.8K)
free with in-app purchases
5
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
6
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
7
Alien Invasion: RPG Idle Space
Alien Invasion: RPG Idle Space
Alien Invasion: RPG Idle Space
Spider evolution alien games!
Free

Command an alien and grow its army by defeating humans in this idle RPG. Evolve your alien with new abilities, upgrade its stats, and face challenging boss battles to achieve extraterrestrial dominance.

Evolve alien for new abilitiesCrush humans and challenge bossesUpgrade capacity, speed, and radius
🎮 Games
(126K)
free with in-app purchases
8
Monster Merge
Monster Merge
Monster Merge
Grow Your Monster Collection!
Free

Merge identical creatures to discover new species and upgrade structures in this engaging game. Play mini-games to earn currency and expand your environment. It offers a fun, casual experience with satisfying merging mechanics.

Merge identical monstersDiscover 58 unique speciesUpgrade buildings
🎮 Games
(9.1K)
free with in-app purchases
9
Cell Survivor - Shoot Defense
Cell Survivor - Shoot Defense
Cell Survivor - Shoot Defense
Idle Guard Games with Battle
Free

Embark on a cell defense adventure where you lead cells to become invincible defenders against enemy hordes. Choose ability enhancements after each wave to forge a unique combat style and defeat bosses for surprise rewards.

Cellular defense adventureDefeat enemy hordesRandomly generated challenges
🎮 Games
(16K)
free with in-app purchases
10
Swamp Attack
Swamp Attack
Swamp Attack
Defend. Survive. Attack!
Free

Defend your porch from waves of mutant creatures, aliens, and zombies using an arsenal of weapons and strategic upgrades. Survive over 540 levels across 11 episodes with intuitive tap and drag controls, even offline.

Defend your porch from mutant creaturesOver 540 single-player levels35+ insane defense tools
🎮 Games
(34K)
free with in-app purchases
11
Genius Shooter: Monster Killer
Genius Shooter: Monster Killer
Genius Shooter: Monster Killer
Attack and Run,keep alive！
Free

Engage in an idle shooter experience where you run, shoot, and defeat waves of monsters and zombies. Unlock and upgrade a variety of heroes and weapons to overcome challenging levels and formidable bosses. Progress through unique instances and arenas to become the ultimate shooter.

Playable heroes and weaponsChallenging levels with hundreds of monstersInnovative hero upgrade system
🎮 Games
(1.1K)
free with in-app purchases
12
Idle Dot Shooter!
Idle Dot Shooter!
Idle Dot Shooter!
Idle space shooter: Pop dots
Free

Engage in a minimalist idle space shooter where your turret automatically fires at drifting targets. Earn cash by popping dots to invest in various upgrades for your defense, drones, and economy. Progress through new galaxies, unlock powerful abilities, and compete on global leaderboards.

Idle auto-shooting turretDefence, Drone, and Economy upgradesGalaxy progression
🎮 Games
(12K)
free with in-app purchases
13
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
14
Monster Dash
Monster Dash
Monster Dash
Dash through monster hordes
Free

Embark on an action-packed adventure running and gunning through monster hordes. Master simple controls to blast enemies with powerful weapons across diverse worlds. Discover hidden awards and enjoy uninterrupted gameplay.

Run and gun gameplayPowerful weaponsDiverse worlds
🎮 Games
(2.1K)
subscription
15
Mr Autofire
Mr Autofire
Mr Autofire
Best 2D Platformer Shooter!
Free

Blast through alien hordes in a retro 2D platformer shooter. Rampage through levels, unlock new worlds, and acquire powerful weapons and gear. Become the ultimate defender against monstrous invaders.

2D platformer shooter gameplayEndless alien hordesLevel progression
🎮 Games
(28K)
free with in-app purchases
16
Idle Monster TD
Idle Monster TD
Idle Monster TD
Battle endless evil robots!
Free

Defend your monster homeland from invading robots in this unique tower defense game. Strategically deploy a variety of monsters with unique skills and elements to stop the mechanical onslaught. Upgrade your defenses and unlock new creatures as you progress through endless waves of enemies.

Unlock 44 unique elemental monstersStrategic monster placement and synergy8 diverse defense maps
🎮 Games
(2.5K)
free with in-app purchases
17
Heli Monsters - Giant Hunter
Heli Monsters - Giant Hunter
Heli Monsters - Giant Hunter
Defeat the monster invasion!
Free

Engage in intense aerial combat against hordes of giant monsters and formidable bosses. Upgrade your arsenal, customize your character with outfits and armor, and utilize the environment to survive the invasion and rescue hostages.

Helicopter combatGiant monster bossesWeapon upgrades
🎮 Games
(37K)
free with in-app purchases
18
Zombie Idle Defense
Zombie Idle Defense
Zombie Idle Defense
Idle and vs. zombie game
Free

Defend against endless zombie waves in this atmospheric strategy RPG. Equip heroes with weapons, upgrade them, and strategically battle hordes of the undead in a post-apocalyptic world. Test your skills against challenging bosses and become the ultimate zombie killer.

Endless zombie invasion survivalStrategic defense gameplayRPG elements and hero upgrades
🎮 Games
(12K)
free with in-app purchases
19
Monster Shooter: FPS Survival
Monster Shooter: FPS Survival
Monster Shooter: FPS Survival
Survival Shooter Game
Free

Engage in a thrilling first-person shooter survival game where you either hunt monsters or become one. Navigate through levels, using weapons to defeat enemies and survive until the end to win.

First-person shooter gameplayMonster and hunter modesVariety of weapons
🎮 Games
(1.1K)
ad-supported
20
Monster Hunter Now
Monster Hunter Now
Monster Hunter Now
Hunt Monsters with Friends
Free

Embark on a real-world hunting adventure, tracking and battling iconic monsters. Team up with friends to take down formidable foes using crafted weapons and armor. Experience authentic hunting action adapted for mobile with AR features and quick, engaging 75-second hunts.

Hunt monsters in the real worldTeam up with fellow huntersCraft powerful weapons and armor
🎮 Games
(48K)
free with in-app purchases

FAQ about Idle Monster Shooter

Are there free idle monster shooter apps & games for iPhone?
Yes — 20 of the top idle monster shooter apps & games we rank are free to download, including Idle Monster Shooter and Idle Heroes - Idle Games.
Idle Monster Shooter has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 206+ idle monster shooter apps & games on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.