“A Technician’s Nightmare” is a horror story about an air conditioner technician who was hired to fix air conditioners in a remote area. On the day of the job, the homeowner was not present due to being busy. However, the homeowner also requested the technician’s help in catching rats in the house, promising a bonus payment for the task. Although it seemed strange, the technician accepted the job due to financial need. Unbeknownst to them, something unusual was happening in the house. The objective of the game is for the player to complete the mission successfully while strange events occur in the house. Survival and safe return are the primary goals of the game.