QuatroCity

Meet the protagonist of the Quatro City story – a player character – Mark Eidos. This sharp-eyed detective is sure to know a thing or two about multifaceted investigations. There's no doubt that his track record makes him the ideal person to solve the Quatro City catastrophe! From now on, only you can help Mark Eidos unravel the mysteries, complete all quests, and solve the case that is more complicated and bizarre than it may seem. Start your investigation!