Apps Like RobotVSAlien for iPhone and iPad
Repel aliens with giant robots.
The app is a casual defense game where players repel aliens using robots. It features unique robot and alien designs, with the ability to share and design giant robots.
RobotVSAlien screenshots
Ranked alternatives
Showing 501–520 of 1,000 ranked alternatives.





Ion Thruster
Edward Hill
Defeat aliens, protect precious cargo.
The app challenges players to defeat intelligent aliens and protect cargo pods using multi-touch skills and firepower. It features real physics for collisions, thrust, and gravity, with multiple game modes and alien types.

Elf Guardian: Merge TD
Nox Interactive Technology Limited
Summon guardians, spells, defeat zombies
Summon elf guardians by merging elements or guardians. Over 20 types available. Arrange guardians to defeat zombies in battles. Upgrade guardians to increase combat effectiveness. Protect the elven village from zombie invasions.


Galactic Missile Defense
Spyro Merianos
Defend Earth from alien invaders.
The app is a space-themed tower defense game. Players defend Earth using three bases and various weapon upgrades against alien invaders.


River Tower Defence TD Games
刚 曾
Build defense units to block enemies.
The app requires users to build defense units to block air and river enemies. Destroying enemies provides gold to build more defense units.







How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.