While at the main menu, hold L + B + R and then release it
B, R, L (in those orders). You can then enter one of the
following codes:
100,000 Pts.
Type in 532359 as a code.
150,000 Pts.
Type in 667596 as a code.
200,000 Pts.
Type in 750330 as a code.
All Cities
Type in 659996 as a code.
All Monsters
Type in 525955 as a code.
Challenges
Type in 975013 as a code.
Master Code
Type in 246518 as a code.