Real Robot Regiment [PSX]

Unlock Full Member mode
1. Clear Story Mode once.
2. Press and hold L1, R2 and L3 at the title screen, then press start. You should hear a muted shout.

Unlock Gundam
1. Clear Story Mode once.
2. Press and hold L1, L2 and L3 at the title screen, then press Start. You should hear the sould of a beam rifle being fired.

Unlock Gundam
1. Clear Story Mode once.
2. Press and hold L1, L2 and L3 at the title screen, then press Start. You should hear the sound of a beam rifle being fired.

Unlock Hard Mode
1. Clear Full Member mode once.
2. Press and hold R1, L2 and R3, then press Start. You should hear the sound of a Megasaurous cry.

Unlock Hyaku Shiki
1. Clear Full Member mode once.
2. Press and hold R1, R2 and R3 at the title screen, then press Start. You should hear the sound of a robot step.