Bionicle legend of mata nui is a unrealeshed pc game. Due to a huge amount of glitches/bugs and a low budget was the game taken down :( On this site can you find alot of nice information about this game and even see videos from it.
I hope you enjoy your time here!
Here is the screenshots I have found of BIONICLE: Legend Of Mata Nui (pictures mostly comes from the videos i also got, so go and check them out) You can find them under "The playthrough" and "Video content"