Turok: Battle of the Bionosaurs (Gameboy)

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Cheat Codes

Enter the following passwords to activate the corresponding effect.

EffectPassword
Free-Movement Mode (press A+B+Select during gameplay)ZYDRTRKBRD
Infinite LivesZYDRTRKLVS
Infinite WeaponsZYDRTRKWPS
Level Select (pause and press A+B)ZYDRTRKLVL

Level Passwords

Level - Easy - Hard
2 GRZNNPCRDB - GNZNNPCZGG
3 DVZNDPBTNG - DLZNDPCTLR
4 GVZNDPBTNG - GLZNDVBTLW
5 PCVYGRBTDK - PYVYGVBTBQ
6 RCVYGRSTDR - RYVYGRSTBC
7 VSVYTRSQDG - VKVYTRSQBK
8 RSQPTNSQNW - RKQYTRSQBV

Sound Test

At the Title Screen, highlight Options, hold Up (now highlighting Play) and press Start.

Unlimited lives

Begin game play on level 8, then use the Hub to return to level 1. A portal should appear above your character, Enter it, move to the right, and shoot the block in the "inverted L" to collect four lives. Intentionally lose a life, then repeat the process to collect as many lives as needed.