The codes should work with the region specified but may work for other regions as well.
- Enable Code (Must Be On)
00008CA9 000A
10026448 0007 - Unlock All Tours
83006048 01F9 - Unlock All Cars
33006042 0101 - 1 Lap To Race
73005B82 0001
33005B82 0003
73005E22 0101
33005E21 0001
33005B83 0000 - Infinite Power
83005B42 0384 - Infinite Gadget Power
83005BE4 0000 - Can Fly On Non-Flying Levels
83005B58 A5B0
Activate Power-Up Codes
- Press A+R For Turbo
74000130 02FE
83005BC8 0401 - Press Up+R For Missiles
74000130 02BF
83005BC8 0402 - Press Select+R For BubbleGum
74000130 02FB
83005BC8 0403 - Press Down+R For Shield
74000130 027F
83005BC8 0404