- 3 difficulties (easy, normal, hard).
- 31 missions.
- survival mode.
- 4 worlds.
- 15 ships.
- 12 weapons.
- 13 powerups.
- many permanent upgrades to unlock.
- 8 bosses.
- 14 achievements to unlock.
And Much More...
Wasd Or Arrow Keys - to Move the Spaceships.
left-click or spacebar - to shoot with the primary weapon.
right-click or E - to shoot with secondary weapon.
middle-mouse button or Q - to use the special.
Minimum Setup
- OS: ubuntu + Steamos
- Processor: Intel Pentium Dual Core E2220 or AMD Athlon 64 X2 5000+Memory: 2 GB RAM
- Memory: 2 GB RAM
- Graphics: GeForce 9500 GT or Radeon HD 6450
- Storage: 150 MB available spaceAdditional Notes: Tested on Ubuntu 16.10 and SteamOS
Recommended Setup
- OS: ubuntu + Steamos
- Processor: Intel Core 2 Duo E7300 or AMD Athlon 64 X2 6000+Memory: 4 GB RAM
- Graphics: GeForce 9500 GT or Radeon HD 6450
- Storage: 150 MB available spaceAdditional Notes: Tested on Ubuntu 16.10 and SteamOS
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