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.
Apps Like Outer Space Defense for iPhone and iPad
Control satellites, manage resources, score.
The app challenges users to control a surveillance satellite and defend it from enemy satellites. Users must manage fuel and laser battery while staying close to the optimal orbit to score points.
Outer Space Defense screenshots
Ranked alternatives
Showing 281–300 of 1,000 ranked alternatives.
Space Intruders
Idessa LLC
Shoot down alien invaders now.
The app revisits classic video game experiences with simple button and joystick controls. Players are tasked with shooting down Space Intruders in a nostalgic arcade-style challenge.
Air Supremacy Fighter Jet Combat
Xiangning Xu
Fly jets, shoot enemies, defend territory
Play a realistic 3D flight simulator with cockpit controls. Engage in aerial against enemy jets. Use missiles, bombs, and machine guns to defend territory. Fly in detailed battlefields and control aircraft movements.
Tower Defense: The Last Realm
Pham Quang
Build towers, defend realms, defeat enemies
Build towers to defend your kingdom against waves of enemies. Assign units to attack, upgrade structures, and manage resources. Complete quests, unlock heroes, and customize your with different races and legendary creatures.
Space Wars 3D
Shiny Box, LLC (TX)
Pilot ship, save galaxy from aliens.
The app puts users in control of a ship to defend the galaxy from an alien invasion. Players can pilot their ship using on-screen controls or device tilt, and collect power-ups and bombs.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.