Outside of gaming, "monkey business safe code full" can be interpreted as a reference to . The term plays on the phrase "monkey business" (meaning mischief or dishonesty) and the concept of keeping data "safe."

The fingerprints show the numbers: 0, 4, 1, 2. The banana peel trick reveals the sequence starts with 0. Thus: .

Inside: a single banana, long turned to black dust, and a photograph of Leo as a young man, arm around a grinning chimpanzee in a tiny vest. On the back of the photo, in crayon: