tehpola ported Open Jazz, to the Nintendo Wii, it is a free, open-source version of the classic Jazz Jackrabbit games.

Quote:

Port of Alister’s Jazz Jackrabbit engine, OpenJazz, to the Wii. Aims to have 1-1 feature support with the PC version with as minimal of changes as possible.

http://wiibrew.org/wiki/OpenJazz_Wii