A cool Black Box puzzle solution from Simon Tatham's PPC. : r/puzzles

What is the strategy to solve Simon Tatham's Twiddle? - Puzzling Stack Exchange

39 Puzzle Collection (Simon Tatham) - OpenStore

I'm generally really good at puzzles. I have never come across a puzzle I couldn't at least get close to solving. This one is the winner. Idk if I just don't understand

Puzzles

Simon Tatham's Portable Puzzle Collection

Puzzle game collection Simon Tatham's Portable Puzzle Collection which runs on all-you-can-eaten Windows / Mac / Unix for free by playing free of charge - GIGAZINE

100k Terms

Simon Tatham's Portable Puzzle Collection

Slant on Simon Tatham's Puzzles: Is this even solvable? : r/puzzles

English Grammar

Black Box Rebuking - Simon Tatham's Puzzles

Simon Tatham's Portable Puzzle Collection (video game, logic puzzle) reviews & ratings - Glitchwave