A nuclear explosion has trapped you, an experienced nuclear engineer, in a dark circulated antiworld. Armed only with a faint flashlight and antimatter collector, you have to generate enough energy and hold on till the first sight of the morning light. Hurry, but be careful, it's rumored that you are not alone... ·Adventure: What happened? Where are you? Embark on a chilling horror journey through confusion and fear. ·Enemy: It's rumored that unknown entities are waiting for you in the dark. While avoiding their hunting, you will find ways to escape. This will be a battle of wits and courage. ·Collect: Collecting the antimatters in pairs will generate energy to charge the flashlight until it's time for you to escape the room. ·Survive: How to accumulate enough light energy to store power for the flashlight? You will be facing severe problems in the darkness.