Arrows or wasd to move. White bars on axe are energy. You can recharge the axe by going to the recharge station and hovering axe over station and clicking space or mouse on the right. You can get more energybars by upgrading on the left. Upgrade Costs: 2:50 3:100 4:250 5:500 To kill enemys you need at least one energy. If you want to kill the white enemies you need two energy at least. Attack by hovering your axe over them and clicking space or mouse.