Easter Eggs
Slender Man
If you're paying attention as you work your way through the Bush Wacky level (located in World 3), you'll spot Slender Man, the popular Internet meme (and subject of a few popular games of his own).

Embark on an inspiring mission of human connection beyond the UCA. Sam — with companions by his side — sets out on a new journey to save humanity from extinction. Join them as they traverse a world beset by otherworldly enemies, obstacles and a haunting question: should we have connected?