Bio F.R.E.A.K.S. review. Classic Game Room presents a CGRundertow review of Bio F.R.E.A.K.S. for Nintendo 64. Bio F.R.E.A.K.S. is a 3D fighting game which takes these engineered killers into the arena to battle to the death. The game has a heavy focus on character specials and gore, making for one of the most unique fighters available. This video review features video gameplay footage of Bio F.R.E.A.K.S. for Nintendo 64 and audio commentary from Classic Game Room's Ryan.