Full member mode
From the Title Screen, hold L1 + R2 + L3, then press Start. You will hear a sound when you enter the code correctly. Alternatively, successfully win the game in story mode.

Gundam From the title screen
Hold L1 + L2 + L3, then press Start. You will hear a sound when you enter the code correctly. Alternatively, successfully win the game in story mode.

Hyaku Shiki From the title screen
Hold R1 + R2 + R3, then press Start. You will hear a sound when you enter the code correctly. Alternatively, successfully win the game in full member mode.

Hard difficulty setting
From the Title Screen, hold R1 + L2 + R3, then press Start. You will hear a sound when you enter the code correctly. Alternatively, successfully win the game in full member mode.

PS2 Cheats for Robot Regiment

Robot Regiment cheat codes

Robot Regiment cheats