All hidden games: Highlight the "Start" option at the title
screen, then press L2, R2, R1, L1,
Select, Start to unlock Elevator Action,
Front Line, Gun Frontier, New Zealand Story,
and Qix.
.
Elevator Action:
Accumulate at least one hour of game play in Cadash,
Arabian Magic, Violence Fight, Rastan Saga 2,
The Legend Of Kage, Chack'n Pop, Mizubaku Daibouken,
and Wild Western.
Front Line:
Accumulate a total of five hours game play
Gun Frontier:
Accumulate at least one hour of game play in Insector
X, Gekirindan, G-Darius, Raystorm, Space
Invaders, Akkanvader, and Space Invaders Part 2.
New Zealand Story:
Play all default games at least one time.