Help Father Painbringer bring peace to the undead hordes through the gentle medium of the double-barrel shotgun.To complete each level, you must fill the ghoul harvest meter by destroying the undead any way you can. Up arrow key to look up; down arrow key to look down; left and right arrow keys to move left and right; 'x' to jump (tap twice to double jump or press jump + down to jump down); 'z' to shoot (+ direction to aim up, down or diagonally).