Motocross Maniacs © 1990 Palcom Software, Limited.
European release.
Game ID: DMG-MX-NOE
Motocross Maniacs for Game Boy was released in 1990 (exact date unknown) in Europe.
HANDHELDS:
Nintendo Game Boy Color (2000) as 'Bikers' in "Konami GB Collection Vol. 4 [Model DMG-AF8P-EUR]"
Game's ROM.