When the you start the game you will spawn as a gray circle. A monster will also spawn which you have to defeat throughout the game. The monster will try to kill you. Swipe around the gray circle or use arrow keys to move. You can shoot by pressing the space bar or tapping on gray circle. Press and hold the gray circle for .5 second or press the E key to activate your shield. Your shield is breakable. Once you defeated the monster, 3 minions will spawn, one of which can shoot. The game will end when you defeated the main monster and the 3 minions, or if you die.