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.


Qix:
Accumulate at least one hour of game play in Crazy
Balloon, Puzzle Bobble 2, Raimais, Hat Trick
Hero, and Balloon Bomber.