Description: Upgrade and kill your way to the top through the endless swarms of
enemies in Mass Attack. 10 Waves of different enemies in total, all
gradually harder than the one before. Includes global High Scoreboard, Store for upgrades, and secret level at the end. Instructions: Move with WASD or Arrow Keys and shoot with the mouse. Avoid being hit by enemies and survive as long as possible. Controles: fire: left_mouse, movement: wasd
