Cheat mode:
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At the main menu, choose the „Options” selection, and select the „Unlock
Rewards” option. Then, enter one of the following codes to activate the
corresponding cheat function:
Electricity upgrade:
Enter „*WLUA DZCN ZNKE*” as a code to unlock the Electricity upgrade.
Ice upgrade:
Enter „*PLAL TALG JPZV*” as a code to unlock the Ice upgrade.