SHMUP game (game dev project, grade 12)

A SHMUP (short for shoot em up) game where the player is a plane fighting with planes from another nation. Controls : --Arrow key to move --X to shoot bullet --C to fire missile (There is a reload time) --Z to use special move (collect 10 blue coin to use special move) --Press tab to pause --There is a BOSS that will appear when you score reached 500!!