River Raid Learning Clone

This is a learning project made for The 20 Games Challenge, this is Game #3: River Raid.

You should try to survive and destroy as many obstacles as possible, including the bridges at the end of every level. 

> WASD to move and accelerate/brake, and mouse click to shoot.
> Don't let your fuel to run out by passing over the FUEL tanks, but be careful because you can shoot and destroy them accidentally.