Brute force ending
Click the axe over the fireplace, click yes, click the front door.
Look at the painting in the living room, click the bottom drawer in the bedroom, click the colored buttons in the same order as the bars on the painting, click the pot, click yes, click the front door.
Go in the bedroom, click the window, click the window a second time to open it, then click it a third time to climb out. (Note, if you leave the room when the window is open, it will close and have to be reopened.)