Press space to shoot, r to reload voluntarily, to use the ability to kill all ghosts click on the rectangle with skulls in the bottom right. Red crosses will appear (recover health, there is no limit) and skulls (recover ability, the limit is 3) THE OBJECTIVE IS TO OVERCOME AS LONG AS THE BETTER
Thanks @amr0919 for the idea of making a Halloween game there are 6 songs, use the numbers to change it