Originally Posted by hap
"The companies that help distribute them are also responsible of the programming for their versions of the titles, which is why some might sound and behave differently."
Also, there may be different revisions or at least releases with different artwork.

The Donkey Kong Jr. pictured in this site seems to have a more colorful background than usual.

EDIT: Oh, I see Wikipedia also mentions that. =|

Last edited by ICEknight; 08/12/15 08:33 AM.

LCD artwork scans and cleanups: https://mega.nz/#F!uFYSzK7S!U-lJon9jsqyoCX_3y7_KLA