Click space. M to turn on or off the sound. Red for off and green for on. Wait until the ammo is full to keep shooting. Mobile: Click the button to shoot and click on either side to move.
1. Hack: N to turn off the ammo and B to turn on the ammo. 2. The most right in the corner is the regular high score for people using the ammo. 3. The one below is the high score for people using the hack. 4. Thanks to @Boomerkid87706 for the idea. v1.1: mobile controls.