Level select When "Press Start" appears on the opening screen, or while the game is paused, press A, R, Z, Up(2), C-Up, C-Down(2). If the code was entered in correctly, the phrase "Missions Open" will appear. Then, any level and battle mode may now be selected. Invincibility When "Press Start" appears on the opening screen, or while the game is paused, press A, Z(2), Up, Left, Left-C(2), Down-C. Infinite main weapon When "Press Start" appears on the opening screen, or while the game is paused, press A, R, Z, Right, C-Up, C-Right, C-Down(2). Infinite secondary weapon When "Press Start" appears on the opening screen, or while the game is paused, press B(2), Z, Left(2), C-Up, C-Left, C-Right. Infinite Solaris missiles When "Press Start" appears on the opening screen, or while the game is paused, press B, L(2), Z, Up, Down, C-Up(2). Infinite Titan missiles When "Press Start" appears on the opening screen, or while the game is paused, press A, B, L, Up(2), C-Up(2), C-Right. Infinite weapon energy When "Press Start" appears on the opening screen, or while the game is paused, press L, Z, Left, Right, Down(2), C-Down(2). Infinite Stealth Mantle When "Press Start" appears on the opening screen, or while the game is paused, press Up(4), Right, Down, C-Left(2). One hit kills When "Press Start" appears on the opening screen, or while the game is paused, press B(3), L, R, Left, Down(2). -From: jab@vividnet.com Freeze enemies When "Press Start" appears on the opening screen, or while the game is paused, press R, Z, Right(2), C-Up, C-Left, C-Right, C-Down. -From: jab@vividnet.com Psychedelic mode When "Press Start" appears on the opening screen, or while the game is paused, or while the game is paused, press A, R, Left, Right, Down, C-Up, C-Left, C-Down. Wire-frame mode When "Press Start" appears on the opening screen, or while the game is paused, press L(2), R, Z, Left, Right, C-Up, C-Right. Turbo crazy mode When "Press Start" appears on the opening screen, or while the game is paused, press B(2), R, Up, Left, Down, C-Up, C-Left. If the code was entered in correctly, the phrase "Got it" will be spoken and a message will appear. Gore mode When "Press Start" appears on the opening screen, or while the game is paused, press Z, Down, C-Up, C-Left(4), C-Down. If the code was entered in correctly, the phrase "Gore mode" will be spoken and you will hear a sound.