Orbital Star Defense

Orbital Star Defense is an offline space tower defense strategy native Android game.
Player deploys plasma defense turrets to protect the planetary core from alien waves.

- Single-tap touch deployment of plasma defense turrets on orbital node points
- Automated turret targeting and high-velocity plasma projectile movement
- Sequential alien scout wave spawning with 8-second tactical defense setup delay
- Planetary core health meter, energy resource pool, and wave counters
- Progressive wave difficulty and multi-level completion framework