Pearl
Pearl is a free grid puzzle game where you trace a single looping line guided by black corner dots and white straight dots. Inspired by Nikoli’s Masyu, it’s part of Simon Tatham’s addictive Portable Puzzle Collection.
Simon Tatham
Explore content related to Simon Tatham.
Flip
Flip: Lights Out puzzle where toggling grid squares flips neighbors in cross patterns, with alternate unique-per-square modes for varied challenges.
Towers
Fill the grid with numbered towers, ensuring unique heights per row/column while solving border visibility clues in this customizable puzzle challenge.
Mines
A thoughtfully designed Minesweeper variant with deterministic puzzles and helpful flag notifications.