Office Horror Story is a 3D horror game set in a strange office. Your officemates have left and you are the only one who was left in this building. You must get out of the office safely as fast as possible. However, there is a creepy figure lurking around, the Chainsaw Killer! You must make yourself survive from the terrible hideouts of the hideouts as well as the sudden attacks, while searching for the necessary things to complete the mission in each level.