Not a game. What you see here is the bending of light under the extreme mass of the black hole. (position your mouse to the bottom of the screen) -Adjust the Event Horizon Size to change the black hole size. -Adjust the Y variable to change the position of the black hole. -Press "space" once to change the background. (wait until the scanning process is completed) Turbowarp: https://turbowarp.org/681405101 Black holes are so massive that they can alter the trajectory of a photon. They are also super complicated to explain here. So to learn a little about them, i suggest you spend a little bit of your time watching this video here: https://www.youtube.com/watch?v=zUyH3XhpLTo It's about cosmic black holes obviously. Credits: - @Griffpatch for the image scanning tutorial. -The rest is made by me. -Background images from google.