Puzzle Walkthrough | Prickle Walkthrough Cool Math Games @adgardGame | Uploaded 4 months ago | Updated 3 days ago
A black hedgehog can cling to other hedgehogs.
If there is free space around, then a group of hedgehogs can revolve around a black hedgehog. You need to gather all the hedgehogs together and touch the exit.
https://www.coolmathgames.com/0-prickle