Planet Defense: Space TD game app icon

Apps Like Planet Defense: Space TD game for iPhone and iPad

Build defenses, upgrade towers, defeat aliens

Build and upgrade defenses to repel alien waves. Manage resources and optimize strategies for survival. Earn randomized upgrades and face unique challenges in each playthrough. Track progress and adjust tactics to maximize effectiveness.

by CYBERJOY LIMITED★ 4.61,031 ratingsGamesFreeData updated 2026-09-06

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Fort Guardian app icon

    Fort Guardian

    Voodoo

    Merge upgrades, build defenses, defeat enemies

    Build and merge defenses to strengthen your . Place traps and turrets strategically. Survive waves of enemies with increasing difficulty. Upgrade facilities to enhance defenses and tactics.

    ★ 4.44,901 ratingsGamesFreeData updated 2026-09-06
  2. Boom Castle: Tower Defense TD app icon

    Boom Castle: Tower Defense TD

    Terahype s.r.o.

    Defend castle with upgrades

    Build and upgrade towers to defend against waves of enemies. Assign heroes with unique skills to different slots. Spend resources to enhance defenses and unlock new units.

    ★ 4.77,100 ratingsGamesFreeData updated 2026-09-06
  3. Fortress Merge app icon

    Fortress Merge

    TapNation

    Buildings, plan strategy, fight enemies

    And upgrade buildings to create strong defenses. Plan strategies to defeat waves of enemies. Customize defenses with different building types. Fight enemies in time-limited battles. Upgrade structures for increased strength and protection.

    ★ 4.67,583 ratingsGamesFreeData updated 2026-09-06
  1. Galaxy Defense: Fortress TD app icon

    Galaxy Defense: Fortress TD

    CYBERJOY LIMITED

    Build turrets, upgrade skills, defend Earth

    Build diverse turrets with unique skills and powers. Unlock and upgrade them to defend against enemies. Strategize turret placement based on enemy attributes. Refine strategies to enhance defense and combat effectiveness.

    ★ 4.88,736 ratingsGamesFreeData updated 2026-09-06
  2. Blox Guy Tower Defense app icon

    Blox Guy Tower Defense

    HAPIGA VIET NAM COMPANY LIMITED

    Defend waves with strategic towers

    Defend your base against waves of zombies using towers. Upgrade and unlock towers with unique skins. Play solo or team up with friends. Strategize placements and enhance defenses to survive endless waves.

    ★ 4.8508 ratingsGamesFreeData updated 2026-09-06
  3. Dice vs Monsters: Roguelike TD app icon

    Dice vs Monsters: Roguelike TD

    HOMA GAMES

    Build towers, roll , defeat monsters

    Build and upgrade towers to defend against waves of monsters. Assign unique -based heroes with special abilities. Manage resources to enhance defenses and unlock new strategies. Play in idle mode or actively strategize during battles.

    ★ 4.410,443 ratingsGamesFreeData updated 2026-09-06
  4. Lucky Guy! Defense Game app icon

    Lucky Guy! Defense Game

    treeplla Inc.

    Play, bet, and survive in luck-based battles

    Play luck-based battles where enhancement success and jackpot rewards determine outcomes. Fight zombies, monsters, and bosses in roguelike combat. Use luck strategically to survive increasing difficulty and eliminate enemies.

    ★ 4.79,109 ratingsGamesFreeData updated 2026-09-06
  5. Wild Castle: Tower Defense TD app icon

    Wild Castle: Tower Defense TD

    Funovus LLC

    Build towers, forge gear, and defend

    Build and upgrade a castle with towers and heroes to defend against waves of monsters. Forge gear, manage resources, and expand your kingdom through strategic upgrades and town development.

    ★ 4.94,110 ratingsGamesFreeData updated 2026-09-26
  6. Command & Defend app icon

    Command & Defend

    Voodoo

    Deploy weapons, upgrade defenses, defeat waves

    Lets players deploy and upgrade advanced weaponry to against enemy waves. Place defenses strategically to manage incoming attacks. Adjust strategies during battles against changing opponents. Collect weapons to expand the arsenal.

    ★ 4.44,008 ratingsGamesFreeData updated 2026-09-06
  7. Falltopia: Epic Space Idle RPG app icon

    Falltopia: Epic Space Idle RPG

    Pusilung HK Limited

    Fight enemies, upgrade ship, survive waves

    Play shooter game with automatic combat when offline. Upgrade spaceship and manage fleet for strategic attacks. Earn resources through continuous battles and expand your defenses against alien threats.

    ★ 4.7432 ratingsGamesFreeData updated 2026-09-06
  8. Geometry Tower: Idle Defense app icon

    Geometry Tower: Idle Defense

    CYBERJOY LIMITED

    Build towers, upgrade defenses, defeat waves

    Defend towers against waves of enemies using strategy and upgrades. Choose upgrades to strengthen the tower indefinitely. Play tower with click-based attacks. Collect resources to increase tower attack and health.

    ★ 4.74,201 ratingsGamesFreeData updated 2026-09-06
  9. Arcadium - Space Shooter app icon

    Arcadium - Space Shooter

    Luciano Bercini

    Fight enemies, collect power-ups, blast through waves

    Play as a customizable spaceship to defend Earth from alien invasions. Shoot waves of enemies, collect power-ups, and upgrade weapons. Unlock new ships and abilities. Compete in infinite survival mode with increasing difficulty and epic boss battles.

    ★ 4.8100 ratingsGamesFreeData updated 2026-09-06
  10. Modern Command Mayhem app icon

    Modern Command Mayhem

    Blast Bit Enterprises AB

    Build defenses, deploy weapons, survive waves

    Play as a commander in a tower defense game with roguelike elements. Build and upgrade defenses, deploy weapons, and manage resources to repel enemy waves. Form alliances, earn rewards, and progress through increasing difficulty levels.

    ★ 4.61,555 ratingsGamesFreeData updated 2026-09-06
  11. Swamp Attack app icon

    Swamp Attack

    Tudamun d.o.o.

    Defend your home and defeat monsters

    Defend your home against monsters with various weapons. Select from dynamite, flamethrowers, crossbows, and molotov cocktails. Shoot enemies to survive waves of attacks. Complete challenges to progress and upgrade weapons.

    ★ 4.734,396 ratingsGamesFreeData updated 2026-09-08
  12. Boom! Zombies app icon

    Boom! Zombies

    ONEMT PTE. LTD.

    Customize vehicles, defend bases, survive waves

    Customize battle vehicles with upgrades and parts. Defend bases against zombie waves. Manage resources and build defenses. Play roguelike challenges with random elements. Unlock new vehicles and weapons through progression.

    ★ 4.661 ratingsGamesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.