Defend against alien by shooting and dodging attacks. Complete levels with increasing difficulty. Detain enemies to repair ship engines and tilt phone to control movement. Upgrade weapons and unlock new ships. Track progress through multiple stages.
The app is a 2D vertical-shooter game with weapon upgrades and nostalgic music. It features 25 stages, powerups, bosses, and automatic saving after each level.
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.
