Invincibility
While playing pause the game and press Left II Up II Right II and unpause A sound will be heard if done right The code only works on the penalty stages though not on the normal levels
Omake Mode
Beat the game on any difficulty to unlock the Omake mode in the Configuration menu In it youll be able to view the visual scenes and change your ship to Gensan or the R9 from Hammerin Harry and RType respectively
