010. A sad goodbye

010. A sad goodbye ​is the tenth level in BFDIA 5b. It introduces the Companion Cube again, the exit, a lever triggered  to their espective yellow tiles.

In this level and more onwards, you will be accompanied with a Companion Cube, which you will use for the puzzles that include buttons.

​Appearance
The level starts off with Book and the Companion Cube, appearing to be out of the exit. There is the edge of the cliff.