Finish All Levels
Finish Border Cleanout
Finish Neutral Grounds
Finish Enemy Territory
Finish Root of Attack
Get 2 Nukes
Hit first enemy
Use shield and avoid damage
Destroy Fighter Pilot
Destroy over 50 enemies
Use Medical Powerup
Kill the Final Boss
Get Health PowerUp with less than 10% of Health Bar
Get more than 50 missiles
Get over 1 million points
Finish All Levels second time