We have some problem to access Option Menu
So we fix that.
Now, You can access Option Menu
We always welcome bug reports.

It has been added to the UI to indicate what to do when the keys are collected.
If you collect all the keys, you can escape by opening the escape door.

There is a loading error in the current game room.
If it takes a long time to load the room, please restart the game.
I will fix it as soon as possible.