use arrow keys to move, and press h to do hard mode. in hard mode, the time goes faster, the speed goes faster, and every five seconds the enemy ball makes a circle that makes you lose. if you touch an enemy ball, you lose. also, in hard mode the ball glides toward you more often and faster. press space for shield. if an enemy touches the shield, they will teleport somewhere random, hide, and then show. every seven seconds, you get another shield. press b for blast. using blast will take 3 shield, but everywhere around the shield gets hit. it also lasts 2 seconds instead of one.
