DefOrbit is a free browser-based space shooter where you defend Earth from waves of alien invaders. Play instantly in any modern browser — no download required.
Game Features
6 weapons with 4 evolution tiers each — Pulse Cannon, Scatter Shot, Lance Beam, Homing Missiles, Plasma Burst, Ricochet Blaster
5 unique boss enemies including Phantom, Serpent, Crystalline, Guardian, and Swarm Mother
Co-op multiplayer for 2 players via WebSocket
Classic and Campaign game modes
Achievement system and unlockable ship skins
Works on desktop and mobile
How to Play
Use your mouse to aim and orbit Earth. Click or press Space to fire. Defeat alien waves, collect powerups, and fight bosses to achieve the highest score.