...Iru!

...Iru! is a single player survival survival game with a horror theme. It was developed by Soft Machine and was released on March 26, 1998. It received negative reviews from players.

...Iru! takes place in a high school with a large mechanical clock in the center. You control an upper classman who, along with his fellow students and teachers, finds himself locked inside the school when staying late to finish a project. As the bodies start to pile up your goal is to escape the school while saving your girlfriend and as many of your fellow classmates as you can.