Modified 2D Space Shooter

-Created 3  new Levels 

-Changed the colors of the player and enemies.

-Added spawning behavior to the enemies in level 2.

-Added boss fight.

-Added asteroids as utilities in level one.

-Added planets to the environment.

-Gave the boss a much larger health pool and gun fire rate. 

-Changed the boss's default icon to something different.

-Changed the colors of the initial main menu.