Successfully complete Another World mode to unlock more training levels in Agent Academy mode.
Another World Option
Successfully complete all training mode sections. This also allows your characters to appear with Dreamcast lightguns in the regular missions.
Gold Guns
Successfully complete Agent Academy missions one through eighteen.
Level Select
Successfully complete the game under the easy difficulty setting with the good ending.
Unlock All Modes
Hold L + R + A + Y + Start + Left before demo mode begins. After demo mode ends, release Start at the title screen then press Start again.
Alternately, press and hold Start + L + R + A + B + Y + Right + Analog-stick Left on controller B during demo. After demo mode ends, release Start at the title screen, the press Start again.
