In Submansion, you will travel through ten rooms in search of lost keys and an invaluable thing. Your guide will be the Keykeeper. At first glance, a helpless lady who could not even cope with her main task - to keep the keys.

Complete the challenges in each room to find all the keys and learn more about Keykeeper, the mansion, its inhabitants, and yourself. Each room is a piece of the puzzle that comes together at the end of the story.

Game features:

- Visual novel with choices

- Multiple endings

- Point & click elements