Galaxy Defender app icon

Apps Like Galaxy Defender for iPhone and iPad

Defend galaxy against alien invaders now.

The app allows users to defend the galaxy against alien invaders with a rapid fire laser. It features four degrees of game difficulty and unlimited game levels with vivid graphics and cool sound effects.

by PROCYPHER CORPORATION★ 5.02 ratingsGamesFreeData updated 2026-09-17

Galaxy Defender screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Galaxy Wars - Fighter Force app icon

    Galaxy Wars - Fighter Force

    Cuong Vu Tri

    Fight aliens, defend planets, upgrade weapons

    Play a shoot 'em up game featuring spaceship combat against alien invaders. Navigate through space to defend planets. Upgrade your ship with weapons and abilities. Complete missions to progress through levels. Unlock new ships and power-ups.

    ★ 4.3183 ratingsGamesFreeData updated 2026-09-20
  2. Space Adventure app icon

    Space Adventure

    Aleksejs Voloviks

    Defend the galaxy from alien invaders.

    The app is a strategic game where users defend the space warship Storm-1 from alien invaders. Users build towers, complete missions on different planets, and upgrade weapons to save humanity.

    ★ 3.73 ratingsGames$0.99Data updated 2026-09-12
  3. Defender III app icon

    Defender III

    DROIDHEN LIMITED

    Defend your kingdom and defeat bosses

    Defend your kingdom by placing towers and warriors to attack incoming waves of enemies. Upgrade magic powers and skills to increase damage. Manage resources to build and reinforce defenses. Defeat four powerful bosses to progress through the game.

    ★ 4.55,212 ratingsGamesFreeData updated 2026-09-11
  1. Tower Madness 2: #1 in Great Strategy TD Games app icon

    Tower Madness 2: #1 in Great Strategy TD Games

    ZSpectre, Inc.

    Defend sheep, build towers, defeat aliens

    Play defense game to protect sheep from alien attacks. Use various weapons to defeat enemies. Complete 70 maps across 7 campaigns with unique challenges. Upgrade weapons and strategies for improved gameplay.

    ★ 4.610,053 ratingsGamesFreeData updated 2026-09-08
  2. Death Worm™ app icon

    Death Worm™

    Playcreek Games FZCO

    Play, control, and survive as Worm

    Control a giant underground creature with touch controls. Navigate through tunnels, avoid obstacles, and defeat enemies. Collect power-ups to enhance abilities and survive longer. Unlock new levels and customize appearance options.

    ★ 4.757,422 ratingsGamesFreeData updated 2026-09-08
  3. Galaxy on Fire 2™ HD app icon

    Galaxy on Fire 2™ HD

    PLAION GmbH

    Play, trade, and conquer in space

    Play a 3D space combat and trading simulation with RPG elements. Explore an open world, engage in battles, and manage resources. Complete quests, upgrade ships, and interact with alien factions. Unlock new content through expansions.

    ★ 4.66,348 ratingsGamesFreeData updated 2026-09-08
  4. Convergence 360 app icon

    Convergence 360

    Mike Hempfling

    Defend outpost from alien spacecraft.

    The app challenges users to defend a remote outpost from aliens in a distant galaxy. Users earn points by surviving longer, with increasing difficulty as the game progresses.

    ★ 5.01 ratingsGames$0.99Data updated 2026-10-31
  5. Mayhem app icon

    Mayhem

    Glenn Burnett

    Hold off wave after wave invaders

    The app presents a classic shoot 'em up experience where players defend against alien invaders. Users can acquire various weapons and power-ups by destroying asteroids.

    ★ 0.00 ratingsGamesFreeData updated 2026-10-17
  6. The Invaders app icon

    The Invaders

    RI Productions

    Shoot invaders before they land.

    The app offers a retro arcade experience with colorful graphics and a CRT screen option. It includes particle effects, gamepad compatibility, and high score tracking with achievements.

    ★ 4.51,585 ratingsGamesFreeData updated 2026-10-25
  7. Cosmic Horizons: Space RPG app icon

    Cosmic Horizons: Space RPG

    Pavel Zinchenko

    Explore galaxies, battle aliens, conquer

    Play as a pilot in a 2D arcade game featuring galactic battles and spacefights. Defend against alien invaders and explore the universe. Unlock new ships and weapons. Upgrade base defenses and manage resources. Engage in turn-based strategy combat.

    ★ 4.282 ratingsGamesFreeData updated 2026-09-11
  8. Into the Breach app icon

    Into the Breach

    Netflix, Inc.

    Defend worlds with strategic moves

    Play a turn-based strategy game to defend Earth from alien threats. Manage a team of pilots and mechs to combat underground creatures. Customize squads, strategize attacks, and progress through challenging missions.

    ★ 4.84,687 ratingsGamesFreeData updated 2026-09-06
  9. Galaxy Invaders 2 app icon

    Galaxy Invaders 2

    Taiwei Chiu

    Control spaceship and defend Earth

    Control a spaceship to defend Earth from alien . Navigate hazardous environments and defeat boss enemies. Earn gems to upgrade ships and enhance combat abilities. Play in arcade-style shooting mechanics with increasing difficulty and new challenges.

    ★ 0.00 ratingsGamesFreeData updated 2026-11-02
  10. Pill Fortress app icon

    Pill Fortress

    Voodoo

    Defend with strategic placements

    Defend a against virus waves by placing pills strategically on walls. Upgrade defenses and unlock new characters. Face evolving viral threats with increasing difficulty. Features vibrant 2D graphics and kid-friendly gameplay.

    ★ 4.63,219 ratingsGamesFreeData updated 2026-09-06
  11. Idle Alien app icon

    Idle Alien

    Viet Game Development Corporation

    Train heroes, battle spaceships, explore galaxy

    Control an hero to destroy spaceships and battle enemies in a space-themed game. Tap to attack, upgrade weapons, and unlock new abilities. Progress through levels and defend your galaxy without requiring an internet connection.

    ★ 4.5124 ratingsGamesFreeData updated 2026-09-14
  12. Bubble Heroes Galaxy app icon

    Bubble Heroes Galaxy

    Ilyon Dynamics Ltd.

    Pop bubbles, match colors, win rewards

    Play a shooter game with colorful bubbles and matching mechanics. Pop bubbles to clear levels and collect rewards. Use boosters and power-ups to overcome challenges. Compete with friends in multiplayer mode. Track progress through hundreds of levels.

    ★ 4.611,272 ratingsGamesFreeData updated 2026-09-14
  13. Galaxy Attack: Alien Invaders app icon

    Galaxy Attack: Alien Invaders

    Onegame Global Limited

    Shoot aliens in space battles

    Play as a space chicken shooter to defend Earth from . Shoot enemies in fast-paced action sequences. Unlock new weapons and power-ups. Track high scores and compete with others. Customize character appearance and upgrade abilities.

    ★ 4.73,423 ratingsGamesFreeData updated 2026-09-10
  14. Shadowgun Legends: Online FPS app icon

    Shadowgun Legends: Online FPS

    Deca Games EOOD

    Play, team up, and conquer

    Play as a young recruit in a futuristic war against alien invaders. Complete an epic story campaign with branching choices and character development. Engage in competitive and cooperative multiplayer matches.

    ★ 4.8104,680 ratingsGamesFreeData updated 2026-09-10
  15. Operation: New Earth app icon

    Operation: New Earth

    Tilting Point LLC

    Command units and defend from alien attacks

    Command military facilities to defend against alien invaders. Build and upgrade bases, deploy troops, and manage resources. Recruit and train soldiers, research technologies, and execute strategic attacks in real-time multiplayer battles.

    ★ 4.2619 ratingsGamesFreeData updated 2026-09-11
  16. Pocket Galaxy: Gravity Sandbox app icon

    Pocket Galaxy: Gravity Sandbox

    Pocket Labs.

    Create and simulate galaxies in 3D

    Create and simulate custom galaxies with realistic physics. Place and customize planets, stars, and other celestial bodies. Adjust orbital paths and gravitational forces. Explore 3D space and test planetary interactions.

    ★ 4.625,444 ratingsGamesFreeData updated 2026-09-13
  17. Galaxy Control 3D app icon

    Galaxy Control 3D

    FX GAMES FZ LLC

    Build bases, gather resources, battle opponents

    Build and defend a base using resources and defenses like laser towers and cannons. Collect minerals and uranium to upgrade units and structures. Engage in battles against other players to capture resources and fame points.

    ★ 4.6869 ratingsGamesFreeData updated 2026-09-09

How we rank alternatives

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