關於此遊戲

• Radar of entire playfield, shows where threats exist
  
• Picture in picture view of the base, so you can keep an eye on it
  
• 28 waves
  
• 16 power-ups. Power-ups can be combined
  
• 10 bonus twin-stick shooter levels, starring Hitch, the security robot, take place under the base. Many enemies on these levels are spawned by generators, that must be destroyed. Ensects attack power generators, damaging the base. There are gas outlets that cause large explosions, if shot.
  
• Multiple weapons, including: Lasers, Bombs, and the dreaded Sonic Bomb, which can mass-kill enemies
  
• Many enemy types, each with unique abilities, including one whose weapon can be stolen
  
• Boss battles
  
• Snow, thunderstorm, and darkness environments. Dark environments must be lit with flares
  
• AI-powered wingmen can be summoned to assist. Careful, they can be turned against you
  
• Rock launchers help you defend the base. You can pick them up and re-position them with your ship
  
• You can escort evacuation ships to the opposite side of the playfield. If they escape, you are rewarded with resources. Supply landers can be brought to the base for more resources.
  
• Defensa- your ship's computer voice. She informs you when you activate power ups, warns of threats, and makes comments about the unfolding events
  
• Original Soundtrack- original soundtrack written specifically for the game by six different composers
  
• Optional arcade style controls, where the joystick on the gamepad only moves your ship vertically. Horizontal movement is done via thrust and reverse buttons
  
• Randomized waves - no two waves are the same, for improved re-playability
  
• New Endless wave mode- One increasing endless wave with all regular enemies. How long can you last?
  
• New upgrade store - collect metal from destroyed enemy ships to purchase upgrades and supplies for your ship.