Starship Corporation

Bridge

1. Click on the 'Bridge' room, in order to place a new room.
2. Observe that the 'Bridge' room is attached to the mouse pointer.
3. Move the mouse pointer over any part of an expanded or contracted Messages window or near to the top of the screen.
4. Observe that the 'Bridge' room has disappeared!
5. Left click.
5. Observe that the 'Bridge' room has reappeared!

Note: I encountered this while trying tutorial for the first time. It could be the first room a new player ever tries to place.

Life Support

1. Click on the 'Life Support' room, in order to place a new room.
2. Observe that whenever the mouse isn't inside the limits of the ship's hull, the room disappears!
3. Observe that moving the mouse within the limits of the ship's hull causes it to reappear!