Mech and level select in free mission mode: At the title screen, move the tuner to the following positions in order, with a one second pause before moving to the next position: 1, 9, 7, 9, 0, 9, 0, 6. If you entered the code correctly, you will hear a sound. Note: Position "0" is on the left end of the dial, position "4" is at the top of the dial, etc.

Movie viewer option: Complete the game on the normal difficulty. The "Movie Viewer" option will be unlocked in the configuration menu at the main menu.

Voice select option: Complete the game on the veteran difficulty. The "Voice Select" option will be unlocked in the configuration menu at the main menu.

Desperado difficulty setting: Complete the game on the veteran difficulty.

Lower mech: Complete the game on the desperado difficulty. Press Hatch + Start during the game to lower your mech.

Remove HUD: Get to the rank of Lieutenant Colonel. Then, press Ignition + Start during the game.

Juggernaut mech: Get to the rank to Colonel to unlock the Juggernaut VT.

Quasar mech: Begin a game on mission 7 or 17. Enter the second floor of the enemy base and move into the small room to your left. Defeat mech inside and move to the large box with a switch in the rear. The Quasar mech is inside.

Rapier mech: Get ten decorations to unlock the Rapier VT.

Black and white graphics: Win mission 23 on the veteran difficulty setting. Press Start + Night Scope during the mission loading screen to switch between black and white and color graphics.

Jump flight ability: Win mission 23 on the magnum force difficulty setting. Press Start + F3 during a mission and repeatedly jump to get higher.