Lucy is in hell and has no memory of who she is or why she is here. But she has a counsellor, Shadow, whose identity is also a mystery to her. Shadow knows everything about the structure of this hell and its inhabitants and helps Lucy to pass all the tests to get out of hell - to kill all the demons that inhabit the infernal hotel. Each demon lives on its own floor and represents a certain sin.Also, in hell there are some filthy little things - Vents. They are lost souls who live in the ventilation grates of hell and scare everyone who meets them on the way. On Lucy's way there will be good souls, who will help to collect traps for demons, so that Lucy can pass on. But since hell is a hotel, each of the demons has a different job to do in hell. The hotel itself is a place that combines all sins from greed to lust. And the deeper Lucy delves into hell, the more difficult the trials become. As each floor passes, she remembers more and more about herself and why she is here. But memories can be deceiving.

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The game is divided into levels. The goal of each level is to find all the necessary items, interact with objects using the collected items to collect a boss trap, kill the boss, collect the angel feather (key) and move on to the next level. While searching for items and collecting the trap, you have to avoid enemies, hide from them in cover and watch your heartbeat.