To change characters press Z for Hunk or X for Zeke. Zeke uses A or D to run, W to jump, Space to attack. To charge the chargeworm hold down the left mouse button. Then release the left mouse button to dash towards the cursor. This technique is useful for hitting multiple enemies. Hunk aims with the mouse and fire with left click. Bullets are weaky and can be fired more rapidly. Press A to use bullets and D to use bombs. When time is up it is enemy turn.