Sci-Fi Space Defense : Alien war game app icon

Apps Like Sci-Fi Space Defense : Alien war game for iPhone and iPad

Build towers, upgrade defenses, defeat enemies

Play a tower with challenging levels and futuristic graphics. Build and upgrade towers to defend against waves of enemy ships. Use power-ups to enhance defenses. Purchase in- items to strengthen your base.

by Amr Samir★ 4.121 ratingsGamesFreeData updated 2026-09-09

Sci-Fi Space Defense : Alien war game screenshots

Ranked alternatives

Showing 141–160 of 1,000 ranked alternatives.

  1. WW2 Warplane Fighter Bomber app icon

    WW2 Warplane Fighter Bomber

    Hockenheim Pty Ltd

    Pilot bombers and destroy enemies

    Pilot bombers to destroy enemy targets. Select from 16 historical aircraft. Use cannons, bombs, missiles, and nukes. Defend against flak trucks, tanks, ships, and helicopters. Compete on global leaderboards. Track and compare high scores.

    ★ 4.71,221 ratingsGamesFreeData updated 2026-09-06
  2. Idle Monster TD: Tower Defense app icon

    Idle Monster TD: Tower Defense

    Monstermob Usa, Inc.

    Evolve monsters to defend the portal

    Manage and upgrade monsters to defend against waves of enemies. Place them strategically to maximize abilities. Evolve over 120 unique creatures. Automate battles and optimize resource management. Track progress and adjust strategies for effective .

    ★ 4.7808 ratingsGamesFreeData updated 2026-09-06
  3. 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
  1. Build and Survive: Pixel Games app icon

    Build and Survive: Pixel Games

    Brightika, Inc.

    Towers, survive waves, defend your base

    : Zombie Apocalypse Tower Defense allows players to construct and upgrade defensive structures. They can erect walls, place towers, and manage resources. Players defend against incoming zombie waves by improving fortifications and managing defenses.

    ★ 4.6986 ratingsGamesFreeData updated 2026-09-06
  2. Ganymede app icon

    Ganymede

    Carlo Bottiglieri

    Logistics and strategy on Jupiter's moons.

    The app is a real-time strategy game set on Jupiter's moons. Players mine resources, build infrastructure, and produce goods to improve their base and launch them to orbit.

    ★ 2.02 ratingsGames$0.99Data updated 2026-10-30
  3. Space Tower - Galaxy Tower TD app icon

    Space Tower - Galaxy Tower TD

    CYBERJOY LIMITED

    Defend waves with strategic upgrades

    Defend a against alien attacks using strategic upgrades. Customize weapon systems and enhance abilities to improve defenses. Progress through chapters to face challenging bosses.

    ★ 4.8561 ratingsGamesFreeData updated 2026-09-06
  4. Retro Highway app icon

    Retro Highway

    Gearhead Games ApS

    Play games and collect coins

    Play a high-speed arcade game with 8-bit graphics and challenging gameplay. Navigate six distinct environments, complete challenges, and compete globally for top scores. Share achievements and track progress through in-game rankings.

    ★ 4.55,509 ratingsGamesFreeData updated 2026-09-11
  5. Ancient War Ⅱ app icon

    Ancient War Ⅱ

    Triniti Interactive Limited

    Play as god, upgrade troops, battle online

    Play live online against global players, upgrade troops, and battle through an epic tribal war campaign. Manage a menu mini-game with godly powers, interact with tribemen, and test full skill sets in playful challenges.

    ★ 4.2410 ratingsGamesFreeData updated 2026-09-08
  6. Combo Clash - Era Wars app icon

    Combo Clash - Era Wars

    Voodoo

    Merge blocks, evolve heroes, defend waves

    Merge blocks to increase firepower and launch attacks. Evolve characters to tackle stronger enemies. Travel through time to unlock weapons from different eras. Defend against waves of enemies ranging from cavemen to futuristic soldiers.

    ★ 4.52,557 ratingsGamesFreeData updated 2026-09-06
  7. Zombie Van: Tower Defense TD app icon

    Zombie Van: Tower Defense TD

    AIDOLON, OOO

    Defend base, upgrade, replay

    Defend a base against waves of zombies using upgrades and card equipment. Collect resources to make strategic improvements. Choose from multiple types and skills. Play through dynamic levels with replayable challenges.

    ★ 4.97 ratingsGamesFreeData updated 2026-09-06
  8. Battle for the Galaxy War Game app icon

    Battle for the Galaxy War Game

    AMT Games AG

    Control forces, build bases, fight survival.

    The app is a real-time space MMO game where players build bases, create armies, and attack enemies to steal resources and earn medals. It features futuristic robots, 3D graphics, and various war modes including PvP and battle royale.

    ★ 4.4435 ratingsGamesFreeData updated 2026-10-29
  9. Defense Zone 3 HD app icon

    Defense Zone 3 HD

    Artem Kotov

    Play, conquer, and upgrade armies

    Manage military defenses against advancing enemy forces. Deploy and upgrade turrets and weapons. Customize strategies with new units and terrain. Track progress and unlock advanced features through gameplay.

    ★ 4.62,520 ratingsGamesFreeData updated 2026-09-10
  10. Tower Maze Defense app icon

    Tower Maze Defense

    Paperboi data management, llc

    Build towers to block and damage enemy

    Build towers to defend against waves of enemy characters resembling humans. Upgrade and customize towers with shaman abilities. Manage resources to optimize defenses. Navigate a trippy, old-school world with unique wave progression.

    ★ 4.4145 ratingsGamesFreeData updated 2026-09-06
  11. Merge Kingdoms - Tower Defense app icon

    Merge Kingdoms - Tower Defense

    FunCraft, Inc

    Towers, strategize placements, progress endlessly

    Play games with idle progression mechanics. Combine towers for upgrades and strategize placements. Face unlimited enemy waves including 35+ types like Necromancer and Ice Dragon. Manage resources and unlock new abilities through progression.

    ★ 4.82,089 ratingsGamesFreeData updated 2026-10-13
  12. Antroad Defense for iPhone (Retina support) app icon

    Antroad Defense for iPhone (Retina support)

    Aliaksandr Miadzvedzeu

    Open field tower defense gameplay awaits.

    The app offers 85 levels of tower defense gameplay with 9 enemy types and 4 unique towers. Players can place and destroy stones, utilize 5 super-bonuses, and choose from 3 game modes.

    ★ 4.99 ratingsGames$0.99Data updated 2026-09-19

How we rank alternatives

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