Rather than a free-flowing traversal system, like one in griffpatch's "Appel", I have designed a system consisting of what I call cells. Think of what you would find in an average platformer by searching "platformer" on Scratch, except now you can change the screen by moving in all directions to create a virtually open-world experience. I took inspiration from griffpatch's videos about making a basic platformer - https://www.youtube.com/watch?v=D16hTnDGweo&list=PLy4zsTUHwGJIATydhFeZa5pspLZR7yE__ - but I designed the entire thing myself. The system needs two sprites to work: the player sprite and the level sprite. Once they are put inside a different project, they should theoretically work in tandem just the same as they work here. Speaking of, feel free to backpack these two sprites. It is not necessary to credit me in any project. This code is still a little bit buggy, and you might discover some game-breaking glitches. If that is the case, click the green flag and the game will start up like normal. I will continue working on those bugs until I achieve the perfect gaming experience! In the mean time, I suggest you read the large comment that explains further on how to use this thing. And I plan to make a visual tutorial for how to use this cell system so people can understand further. A preset "level" has been made, in which you are supposed to fall down a ten-cell cliff (WARNING: Large falls lead to slight lag) to then explore in the only direction it can explore: right. Two cells later you will discover some platforms you can jump on to reach the cell above you, or go to the next cell over. Try it out for yourself, and if you have any suggestions for further improvements, comment them down below!