Just news really.
Found out that somebody got Loco Roco working without the need for cheats.
Someone posted its working, but they have only got up to level 3 and its working on GEN B to.
Downloading now, and i'll tell you all if it works
Well i loaded my save, and level 3 was unlocked.
Played it and level 4 is unlocked.
This game is playable