Zombie hunter

Zombie hunter is game where you have to kill the zombies before they get you and as you kill more zombies you get power ups like doubled shots or bandages if your health is running low. if you kill enough of them you will battle the boss the dead dragon if you knock him out you win, or get burnt by his flames, the game scored decent performance with more than 30 zombies running, and it does not use any external frameworks or libraries and built from scratch.