Mysterium – Game Genie Codes
The following are known Game Genie Codes for Mysterium on Nintendo Game Boy.
Start with 50% energy
When this is switched on in a battle everyone’s energy is set to max. (This works for the enemy too, so switch off to defeat them.)
Start with 1 life
Start with 5 lives
Start with 9 lives
Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.