You can still remember when this building was the best ever. Many people want to acquire this building. But as time goes by, the owner of this building haven't maintained the place well. This is the reason why people abandoned the building. For you, you see this as a chance to acquire the building. The interest of the buyers of this building is very low. This means that you can get it in a very low price. You roamed around your "future" building and you can still see the potential. However, you can't hide the fact that there are many things that you need to fix especially the door. It is hard to open and there are rusts all over it. This is the reason why you can't get out of this building.
The good news is, there are items all over the place that can help you for your escape plan. There are also clues that can help you to solve this puzzle quickly. You don't plan to stay in this building just yet so you have to find a quick way to escape. Abandoned Building 4 is a brand new room escape game by First Escape Games. Good luck!