Challenge-4

Enemies move towards your net, but you can hit them to deflect them away. Powerups apply a temporary strength boost, then disappear after 5 seconds

When there are no more enemy balls, a new wave spawns with 1 more
enemy 

Controls:  

• Use left right arrow keys to rotate camera.
• Use up and down arrow to move player forward and backward.
• Use space to get turbo boost.