Front Mission Cheats

Unlockable: New Wanzers
To unlock a new Wanzer for both the OCU and USN, beat the corresponding storylines once through.

Unlockable: New Game+
To unlock New Game+, beat the game once through.

Unlockable: Sound Test
To unlock a Sound Test, where you can listen to all of the game's audio, beat the game once through.

Unlockable: Increased Difficulty
You can unlock increased difficulties for subsequent playthroughs of the game. The more you beat the game, the harder the difficulties available will become.