Use 1, 2, 3, ECT, to select a block to place. Press E to place selected block. Click on the tab in the top right to see items. Place drills on blue spots for zinc, red spots for copper, and attempting to drill both at once makes tenorite. Avoid having enemies touch your cursor. The top number is a timer till the next wave. The bottom number is the current wave.
The in game costs arnt visible right now, neither are names, so, they are listed here: drill - 10 zinc generator - 5 zinc 5 copper radius beacon - 15 zinc 10 copper
