Turing Tumble

A board game where falling marbles route through gears and levers to build real logic gates — no batteries, no screen, actual binary.

The game is named after a man Britain destroyed and then, six decades later, apologized to. Alan Turing broke the Enigma code and by most estimates shortened World War II by years — then in 1952 the same government prosecuted him for being gay, gave him a choice between prison and chemical castration, and pulled his security clearance. He took the hormone treatment. He died two years later, poisoned, at 41. It took until 2009 for a Prime Minister to say sorry, and until 2013 for a royal pardon nobody left alive could actually hand him.

Turing Tumble isn't about any of that. It's a board where marbles fall through gears and ramps and, by the time they hit the bottom, have computed something — an AND gate first, then a counter, eventually a working adder. Paul Boswell built it to make a point he clearly believes: computers aren't magic, they're a very long chain of "if this, then that," and marbles just make that chain visible instead of abstract. No batteries, no screen, real binary, entirely out of plastic pegs.

The name is the only place the game acknowledges the man. Might be enough. Might not be.

Found via Upper Story.