The game Entombed was released in 1982 for the Atari 2600. It contains a table of values that make solvable the generated mazes. To this day, researchers do not know how these values were generated and cannot produce an algorithm to generate them https://t.co/zN930NWsOX pic.twitter.com/QBZCgt89XS

— Massimo (@Rainmaker1973) August 30, 2022