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

Puzzles

May/Jun - uspsa

39 Puzzle Collection (Simon Tatham) - OpenStore

Puzzles - an open-source collection - How To Train Your Robot

GitHub - x-sheep/puzzles-unreleased: Several unfinished contributions to Simon Tatham's Portable Puzzle Collection (sgtpuzzles)

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

28th IBIMA Conference Proceedings (2016-Volumn II) PDF, PDF, Romania

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

Now is the time to settle it: suggestions on the present crisis