If you played Deathsmiles, Muchi Muchi Pork's arrange mode should sound familiar. Each time you shoot down an enemy you charge a fever mode gauge. A number in the top right, which goes up to 10,000, lets you know how much fever energy you have.
Four girls, five girls if you count Sakura who is playable in Mega Black Label, are about to gun down the Halloween themed army of Hell. Welcome to Deathsmiles.
Aksys is going all out with the localized version of Deathsmiles. Mega Black Label, an expansion pack that makes Sakura a playable character, adds an extra stage, and level 999 difficulty is on disc.