Shoot down 300 UFOs
Use all power-ups
Destroy 150 basic turrets
Push 40 buttons
Kill 50 enemies disabled by the EMP
Exit the reactor level with less than 1s before the reactor explodes
Kill 200 enemies with a Spreadshot
Kill 125 enemies disabled by the EMP
Crash into the star without any fuel
Reach 10000 score in Arcade
Destroy 150 asteroids in the solar system
Kill 25 enemies while under the effect of Overload
Complete all 6 planets in 4 solar systems
Retrieve 100 rescue pods
Kill 25 enemies with a Railgun shot
Complete all singleplayer missions
Complete the first solar system without losing a life
Complete all 6 types of planets
Kill an enemy by leading it to the laser cannon
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