Prickle Walkthrough Cool Math Games

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.
www.coolmathgames.com/0-prickle

[@kultuk]

I saw that one on Steam, I think there's a full version coming up