Seven Samurai 20XX (PSX)

Seven Samurai 20XX cheat codes for Sony Playstation: 

New Game + Mode:
Beat the game once. Save your game data when asked to.
At the title screen, select "Load" and then select the
clear game data. You will be at the start of the game
with all the status bonuses won from the previous game.

Unlock Survival Mode:
Beat the game once on Normal difficulty to unlock Survival Mode.