This hack of Castlevania: Aria of Sorrow, 'Call of Chaos,' likely modifies aspects of the original gameplay experience. The hack could feature altered enemy placement, new items, modified abilities, and possibly adjusted difficulty.  Hacks like this are typically created by fans and modify aspects such as characters, level design, or gameplay mechanics.  This particular hack probably presents a unique and challenging experience for those familiar with the original game.

Castlevania - Aria of Sorrow - Call of Chaos

Casper (E)(Rocket)