Funcom has confirmed this. Furthermore, a sleek demo of the game is available for download right now, and it can be played straight away on any system.
Shooting along with the music is how you consistently increase your score in Hellsinger. However, with a multiplier, known as the Fury Meter, up to 16x for maximum score-gaining.
When first picked up, he fires low-damage fireballs similar to Doom’s pistol. Allowing you to increase your Fury meter and acquire quick Slaughter kills.