Gemma 👽I'm trying to build a #marioMaker2 gadget level (kind of a puzzle yeah, but it's non-solvable) based on the mechanical "computer" game Dr. Nim https://www.youtube.com/watch?v=9KABcmczPdg which is a game designed to cheat the player out of victory every time. 
The Unbeatable Game from the 60s: Dr NIM
Buy a modern version of Dr NIM!https://mathsgear.co.uk/products/brainoThe game of (single pile) Nim can be won by anyone who understands a simple trick. A tr...