At the game’s main menu, hold down the L1 and R1 buttons and press left, up, down, X, right, triangle, start. If done properly, a cheat console will come up. Insert the cheats listed below for the desired result.
Disable Active Codes - Clear
Invincibility - supermech
One Hit Kills - backstabber
One Hit Kills (Sniper) - sniper
Play Upside Down - flipside
Refresh All Weapons Faster - miriya
Refresh Ammo Faster - spacefold
Refresh Missiles Faster - marsbase
Unlock All Levels - wewillwin
Unlock All Modes and Awards - wheresmax
Unlock All Multiplayer Levels - multimayhem
Unlock All Paint Schemes - missmacross
Unlockable: Awards and Bonuses
Meritorious Service (Clear Force of Arms) Unlocks Izzy Paint Scheme
Distinguished Service (Clear Enemy Within) Unlocks Rick Paint Scheme
Master Airman (Kill 100 Fighter Pods)
R.D.F. Flying Ace (Complete Master Airman Set) Unlocks Debris Field
Versus Map and Max Paint Scheme
R.D.F. Starburst (Clear All Boss Missions Twice) Unlocks Flood City
Versus Map
Titanium Medal of Valor (Clear Knife's Edge) Unlocks VF-1J in Story
and Versus Mode
Wolf Leader (Clear To the Death) Unlocks Wolf Paint Scheme and
VF-1R in Story and Versus Mode
Tuna Head (Kill 50 Del Regults) Unlocks Queadluun-Rau for Versus Mode
Jolly Roger (Clear Party Crashers 3 times) Unlocks Skull Leader Paint
Scheme
Unlocking Chapter 4 unlocks the VF-1S
Unlocking Chapter 5 unlocks FAST Packs (Super Veritechs) for Story and Versus Modes
Cheat: Invincibility Glitch
1) Enter Training Mode.
2) Select Fighter Training
3) Shoot down the first two targets then immediately pause and quit Training Mode.
4) Now begin story mode.
5) You should now be indestructable.
Cheat: FAST Pack Glitch
Begin a space mission and use the Super Veritech. After you beat the space mission and select "Continue" you will start the next mission with a Super Veritech even if the next mission does not allow FAST Packs to be used.