Bio Freaks (Nintendo 64)

GameShark and Pro Action Replay Codes

Note:
A GameShark or Pro Action Replay cartridge is required to use the codes featured below.

North American (NTSC) version

Official codes from InterAct.
Codes from The Game Shark Code Creator's Club.

European and Australian (PAL) versions

Unlimited health player 1:
811507FA 6400

Unlimited shields player 1:
811507FE 6400

Shields always active player 1:
8015080A 0022

Unlimited jet pack player 1:
81150802 3200

Smoke trail player 1:
80150804 0001

Player 1 easily defeated:
811507FA 0100
811507FE 0100

Unlimited health player 2:
81152E76 6400

Unlimited shields player 2:
80152E86 0022

Shields always active player 2:
80152E86 0022

Unlimited jet pack player 2:
81152E7E 3200

Smoke trail player 2:
80152E80 0001

Player 2 easily defeated:
81152E76 0100
81152E7A 0100

European and Australian (PAL) versions

Official codes from Fire International.