Psychedelic mode:
Press A, R, Left, Right, Down, C-Up, C-Left, C-Down when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Wire-frame mode:
Press L(2), R, Z, Left, Right, C-Up, C-Right when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Gore mode:
Press Z, Down, C-Up, C-Left(4), C-Down when "Press Start" appears on the opening screen. The phrase "Gore mode" and a sound will confirm correct code entry.

Level select:
Press A, R, Z, Up(2), C-Up, C-Down(2) when "Press Start" appears on the opening screen. The phrase "Missions Open" will appear to confirm correct code entry. Any level and battle mode may now be accessed.

Invincibility:
Press A, Z(2), Up, Left, Left-C(2), Down-C when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Turbo crazy mode:
Press B(2), R, Up, Left, Down, C-Up, C-Left when "Press Start" appears on the opening screen. The phrase "Got it" will be spoken and a message will appear to confirm correct code entry.

Battle mode:
Successfully complete the game and save to a controller pak. Load the saved game and press B to return to the selection screen. Battle mode contains three options, one for each of the three main levels.

Paused opponents:
Press R, Z, Right(2), C-Up, C-Left, C-Right, C-Down when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Unlimited main weapon:
Press A, R, Z, Right, C-Up, C-Right, C-Down(2) when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Unlimited secondary weapon:
Press B(2), Z, Left(2), C-Up, C-Left, C-Right when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Unlimited Solaris missiles:
Press B, L(2), Z, Up, Down, C-Up(2) when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Unlimited Titan missiles:
Press A, B, L, Up, Up, C-Up(2), C-Left when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Unlimited weapon energy:
Press L, Z, Left, Right, Down(2), C-Down(2) when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Invisibility:
Press A, Z(2), Up, Left, C-Left(2), C-Down when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Instant kills:
Press B(3), L, R, Left, Down(2) when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Unlimited Stealth Mantle:
Press Up(4), Right, Down, C-Left(2) when "Press Start" appears on the opening screen. A spoken message will confirm correct code entry.

Change ships between missions:
Use the following steps to change your ship between missions in single-player mode. After starting a single player game, enter multi-player mode. Choose the desired ship, then press B to exit. Select single player mode from the main menu, and answer "No" when prompted about a new game. Game play will resume with the ship that was selected in multi-player mode.

Quick start:
Press the reset button when the first screen appears. When the game restarts, press Start to skip the series of opening screens.

Bonus characters:
There are eight bonus characters in the game: Septre, Ex-Cop, Jo, Nubia, Cerbero, Mephistofun, HK-5, and Dr Nepenthe (Nutta). Find and kill them during normal game play or on one of the eight battle mode levels. The corresponding character may now be accessed on the Biker selection screen.