Clear Level 1
Clear Level 2
Clear Level 3
Clear Level 4
Clear Level 5
Clear Level 6 and finish the game
Defeat the Level 1 Boss without being harmed
Defeat the Level 2 Boss without being harmed
Defeat the Level 3 Boss without being harmed
Defeat the Level 4 Boss without being harmed
Defeat the Level 5 Boss without being harmed
Defeat Havok without being harmed
Score more than 25k points
Score 90k points
Have 50 Credits
Have 99 Credits
Buy half or full energy in the shop
Buy an extra life in the shop
Buy ammo in the shop
Aquire the Spinblades
Aquire the 'Laser'
Aquire the Napalm
Aquire the Missiles
Aquire the Dragon
Buy the Plasma Gun in the shop
Aquire the Shield
Find out who made the port
Finish the game without dying
Finish the game without buying weapons