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Basic fan and the first 5 levels of radiator upgrades. (outdated)

Radiator is an upgrade to your Drill that adds more wattage. The first 4 levels of Radiator can be bought from the Drill Center. After the first 4 levels all upgrades are found in chests in the Mineshaft from 40km and below.

Radiator upgrades

Radiators available from the Drill Center:

Radiator upgrades available from Treasure chests

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