It's the classic emergent properties experience with recoded and improved physics system! Heavily recommended that you play using this: https://turbowarp.org/789742150?clones=Infinity Go inside to edit the attraction rules or to try out some presets. To make an attraction rule, here are the steps: -Open the "Attraction Rules" list -Add a "(Orb 1)/(Orb 2)" rule to the items Orb 2 being what Orb 1 reacts to. Example: Red/Blue. This makes red react to blue orbs -Add the attractive force after the rule You can make it negative if you want them to repel. Example: Red/Blue, -1. This makes red orbs get repelled by blue orbs. You can go into the Orbs sprite to change how many orbs of each color there are and also to change the drag variable that controls how motion slows down.