Abadox
View the ending
On the title screen press: A, A, Up, B, B, Down, A, B, B, Start.
Stage Selection
On the ”Press Start” screen, press L, U, R, D, U, R, L, D, and then one of the following:
U – Stage 2
L – Stage 3
D – Stage 4
R – Stage 5
SELECT – Stage 6
B – Stage 7
Invincibility
At the title screen press: A, A, Up, B, B, Down, A, B, Start. When you start the game press pause to become invincible.