Balazar Brother is an amazing libre (PGL'ed) 3D puzzle game, realized by Jiba
and Nekeme Prod. 

A 3D platform universe, two characters and two keys, one for each character,
and at the end of the road two princesses to free. Just press a key and the
corresponding character will jump on the next platform in front of him.

WWW:	http://home.gna.org/oomadness/en/balazar_brother/index.html