Collect the 'Fire' Weapon
Collect the 'Hunter' Weapon
Collect the 'Wave' Weapon
Collect 10 Lives
Collect your first 'Claw' power-up
Collect your first shield
Beat Gargoyle using only Twin Shot and without any Specials
Beat Twin Vulcan using only Twin Shot and without any Specials
Beat King Fish using only Twin Shot and without any Specials
Beat G Lobster using only Twin Shot and without any Specials
Beat Mobile Fort using only Twin Shot and without any Specials
Complete the Cerberus level using only Twin Shot and without any Specials
Beat Guardian using only Twin Shot and without any Specials
Beat the Orn Core level using only Twin Shot and without any Specials
Complete Planet Hydra
Complete Planet Gorgon
Complete Planet Seiren
Complete Planet Haides
Complete Planet Ellis
Complete Ship Cerberus
Complete Orn Core
Beat the game
Beat the game on Mania difficulty
Get 100,000 Score
Get 300,000 Score
Get 600,000 Score
Collect the Upgrade Twin Shot
Collect the Upgrade Backfire