Equipment

Types of equipment: Obtaining new items:
 * Pickaxe (stronger pickaxes enable you to mine rocks with less energy)
 * Helmet (stronger helms give a higher amount of energy at the beginning of each level)
 * Backpack (stronger backpacks give a higher amount of technology at the beginning of each level)
 * Opening silver chests
 * Forging two of the same item into a stronger item (also costs gold)
 * Upgrading an item in combination with a considerable amount of gold