Best games like UnderAttack: Idle TD

10+ similar games compared and reviewed

4.7 avg rating
10 free games
Updated October 2026

Looking for something like UnderAttack? We've analyzed 10+ similar apps and games to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to UnderAttack

Weapon Master Idle: Action RPG#2

Weapon Master Idle: Action RPG by Supercrack Inc.

Idle RPG. AFK summons weapons.
Strong Contender
🎮 Games
4.5(73 ratings)
FreeAdsIn-App Purchases
Weapon Master Idle: Action RPG screenshot 1
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Weapon Master Idle: Action RPG screenshot 5
Weapon Master Idle: Action RPG screenshot 6

Strategically place and enhance a diverse arsenal of weapons to defeat powerful enemies in this idle RPG. Collect over 150 unique weapons and combine them with runes, equipment, and heroes for ultimate synergy. Enjoy continuous growth and daily rewards through various game modes and a cooperative guild system.

4.7(77 ratings)
FreeAdsIn-App Purchases
Astro Defenders : Capt.Couch screenshot 1
Astro Defenders : Capt.Couch screenshot 2
Astro Defenders : Capt.Couch screenshot 3
Astro Defenders : Capt.Couch screenshot 4
Astro Defenders : Capt.Couch screenshot 5
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Defend your planet from alien bugs in this strategy-based tower defense game. Collect legendary heroes, build your squad, and survive endless waves of monsters in epic battles. Compete in survival challenges and prove yourself as a true legend of defense.

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Greatest Estate Dev: Squad TD
Greatest Estate Dev: Squad TD
Greatest Estate Dev: Squad TD
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Assemble a team of unique heroes and customize their skills in this roguelite defense game. Strategize to overcome challenging bosses and various game modes, while continuously growing your heroes' power through daily activities and strategic play.

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Azure Dragon's Treasure
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Embark on a fantasy adventure in this army battle RPG. Summon legendary heroes and creatures, explore a vast world, and strategize your way to victory in rich story battles. Collect and train a diverse army to fight for justice and glory.

Army battle RPG gameplaySummon legendary heroes and creaturesRich story battles and exploration
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Pop Epoch: Civilization Tycoon
Pop Epoch: Civilization Tycoon
Pop Epoch: Civilization Tycoon
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Lead a civilization from primitive beginnings to advanced eras. Innovate, build, and strategize to overcome challenges and meet historical figures. Command armies and harness technology to shape the course of history and secure your legacy.

Lead a tribe from primitive beginningsInnovate and produce resourcesMeet and ally with historical figures
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Idle Sword Master
Idle Sword Master
Idle Sword Master
Merge Swords & Train Pets
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Embark on an epic idle adventure, merging legendary swords and evolving pets to battle monsters and raids. Level up your avatar, unlock skills, and compete in multiplayer rankings to become the strongest. Collect gold and artifacts even while offline.

Merge and evolve legendary swordsTrain and evolve fighting petsBattle monsters and raids
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Zombie Fortress: Trap Defense
Zombie Fortress: Trap Defense
Zombie Fortress: Trap Defense
Defend against zombie waves
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Defend your tower against relentless zombie waves in this strategic defense game. Merge weapons, upgrade equipment, and experiment with different tower placements to survive the apocalypse. Collect a variety of items to enhance your offensive and defensive capabilities.

Strategic weapon mergingDynamic tower defenseCollectible weapons and equipment
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9
Tiny Warriors Rush - Idle TD
Tiny Warriors Rush - Idle TD
Tiny Warriors Rush - Idle TD
Defend castle against waves
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Engage in a casual tower defense game with roguelike elements. Strategize by choosing warriors, upgrades, and bonuses to defend your castle against zombie hordes. Enjoy endless replayability with no penalties for losing and a focus on strategic customization.

Tower defense gameplayIdle roguelike elementsWarrior and upgrade selection
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10
Idle Cat Gunner: Shooter RPG
Idle Cat Gunner: Shooter RPG
Idle Cat Gunner: Shooter RPG
Destroy with your cats!
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Recruit and upgrade a team of unique cats, each with special abilities. Master a vast arsenal of guns, fusing them to unlock devastating firepower and blast through diverse maps. Utilize a rebirth system to gain permanent power and progress endlessly.

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