Unlock the spaceship 2
Unlock the spaceship 3
Unlock the spaceship 4
Unlock the spaceship 5
Defeat the final boss
End the Boss Rush
Die for the first time in any level
Buy an enhancement in the shop
Purchase all upgrades for the primary weapon
Purchase all upgrades for the secondary weapon
Purchase all upgrades for the firing rate
Purchase all upgrades for the movement speed
Purchase all upgrades
Purchase all upgrades for the Life
Defeat at least 100 Bullet Destroyer
Defeat at least 150 Gunstar Missile
Defeat at least 150 Tongs Gatling
Defeat at least 30 Pulverizer Magnum
Defeat at least 100 Bazooka Bishop