Lightbulb World is a small enclosed area accessible through Totsutsuki's Nexus.
Features
This map features a small, enclosed space made up of big lightbulbs, some with an assortment of neon shapes floating inside. These shapes include squares, circles, triangles, fish, butterflies, flowers, and dolphins. There are three bulbs that can be entered around the area. The bulb closest to the entrance leads to a room with a bunch of television screens and a control panel. Pressing the large button on the panel will cause the screens to display an image of Totsutsuki who will press a button on a remote control, warping the real Totsutsuki to the Grassy Pipes.
The bulb to the east of that leads to a space housing an enormous bulb. Interacting with this bulb will make it crack open and hatch Appleworm, a large neon worm with wings. Appleworm will smile and play a short song before fading away. The bulb in the upper right of the main area leads to a small hallway with a toilet. Interacting with the toilet will cause a hand to reach out and grab Totsutsuki, bringing her to the Concrete Tree.
Directions
Totsutsuki's Nexus → Lightbulb World
Gallery
That's it, you're going to Grassy Pipes
Entrance to Concrete Tree