A bio code is a code you get on the back of a Bionicle box. you can enter them in the bionicle glatorian game to unlock that glatorian.
his bio code is m74nu1
the bio code is c3hdxo1
berix's bio code is b3rxor
Skralls's bio code is 5KR411
It is 73HZ5K
It is M41UMZ, the same as the bio code for Malum.
The bio code for Mata Nui is M74NUI.
The bio code for malum is m41umz ^_^ ur welcome
the bio code for stronius is 57rn1s ^_^ ur welcome
The BIO Code of Mata Nui is M74NU1.
the bio code for vastus is v457u5 ^_^ ur welcome
vorox's bio code is v0r0xr. Your welcome for the code! your bio code giver, bowl123 P.S. user name on my Lego network is bowl123!