Press and hold the space key to boost towards the mouse pointer.
Click to shoot, and hold to keep shooting. You can do this while holding space.
Click and hold to rotate your harpoon towards the mouse pointer. You can do this while holding space.
- This is your health bar. If it reaches zero, you die.
- This is the progress bar. It will fill up as the level progresses. When it is full, the level is over and no new enemies will spawn. You will just need to kill all the remaining enemies.
When you kill enemies, you get coins. You can use these coins to buy upgrades in the shop.
Make sure to check out all the weapons that the shop sells - they deal more damage, help you move faster, and all sorts of other great stuff!