Sanyo Pachinko Paradise 11: Shin Umi to Saraba Gintama no Ookami

Sanyo Pachinko Paradise 11: Shin Umi to Saraba Gintama no Ookami
Developer: Irem Publisher: Irem Platform: PlayStation 2 Released in JP: February 24, 2005 This game has debugging material.

Not to be confused with the Gintama manga series.

Debug Menu

Applying the below code then holding Start at the Press Start screen will send you to this menu. All of the options here send you to menu screens and game modes. The total amount of memory left (in bytes) will be displayed in the bottom right corner.

Master Code (only needed for cheat devices)
90219450 0C0864BC

Hold START at Press Start Screen for Debug Menu
D06AAB82 0000FFF7
0010A888 0000000B
D06AAB82 0000FFFF
0010A888 00000007

(Source: Punk7890)