Crosshair does not aim or guide the bullet in that direction. Poor accuracy and stability. When the gun is fired, you have to rely on the position and direction of the gun in order to use it efficiently.
If they do make a sequel to this game, they need to consider making changes in upgrades, amount of money to purchase upgrades, amount of money each vehicle gives you, and the boss. The big green tanks every 3-5 levels should not be available in the general difficulty, only the first two. On general difficulty, there isnt hardly enough time to destroy them, so they should be a necessity or option in this difficulty.
even when you get the spike, a lot of balls come and overweigh one end, which causes you lean on one side, no matter how much you push the opposite way, and then you lose