Play Orbital Defense Online

About Orbital Defense

Orbital Defense is a single-tower defense game set in deep space. Command a lone orbital defense platform at the center of the screen, fending off waves of alien swarms from all directions. Upgrade your tower with 13 different weapons, unlock skills across 4 branches, and equip modules to create powerful builds. Features a 30-level campaign across 6 space zones and an endless survival mode.

How to Play

1. Your tower auto-aims and fires at enemies approaching from all directions
2. Defeat enemies to earn Credits for between-wave upgrades
3. Complete campaign levels to earn Tech Points for permanent skill tree unlocks
4. Equip modules in 4 slots (Weapon, Shield, Core, Aura) to customize your build
5. Survive all waves in a level to progress to the next zone

Controls

• Mouse: Aim reticle
• 1-5: Switch targeting priority
• Space: Pause / Open shop
• Esc: Pause menu
• Tab: Toggle info overlay