There seems to be a problem I'm having with the cheats. In Kirby Air Ride, for example, when I activate these 3 cheats:
Enable Debug Menu (Press X At Start Menu) [Ralf]
045DD630 00000003
Unrestricted City Match Time
0401F580 39000001
0401F548 39000063
0401F540 2C000001
0401F578 2C000063
Less...