Super-combo challenge mode
Successfully complete all three challenge modes.
Piranha II ship
Successfully complete time challenge mode with a Bronze or better finish.
Cyclone weapons power-up
Successfully complete the weapons challenge mode with a Bronze or better finish. This power-up doubles the damage caused by your weapons.
Velocitar track
Successfully complete race mode with a Bronze or better finish.
Infinite time
Hold down Z + L + R while playing a game, then press C-Up, C-Right, C-Left, C-Down, C-Up, C-Right, C-Left, C-Down.
Infinite Energy
Hold down Z, L, and R while playing and then press the following: C-Up, C-Down, C-Left, C-Right, C-Up, C-Down, C-Left, C-Right.
Infinite Weapons:
Hold Z, L, and R while playing and press the following: C-Down, C-Down, C-Left, C-Left, C-Right, C-Right, C-Up.
All ships
Hold Z + L + R at the main menu, then press C-Down, C-Down, C-Down, C-Down, C-Right, C-Up, C-Left.