Between them the games contain around 29,000 built-in puzzles and many games can read in external puzzles and solve them. In addition, Minesweeper, Scrabbler and Sumpuzzle do not contain predefined puzzles but instead generate new ones every time they are run.

All of the pzl games work on the standard Raspbian installation except jigsaw which requires an additional Python library. Install the aditional Python library by opening a terminal window and, for Python2.7 typing:

Numerous newspapers make available equivalents of our Tracks puzzle game which we describe here. At the start of a game players are presented with a grid containing a few clues in the form of track sections, two of which connect to the grid edge.

The excellent game Wordle became more widely known towards the end of 2021 and many clones and variations of the game were also created, one of which being the interesting Absurdle. Our program "Wordy" contains two options inspired by these games.

Hashiwokakero or Bridges is a logic game published by Nikoli. The object of the game is to link a set of islands with bridges so that it is possible to reach any island from any other. As ever, there is a range of rules designed to make this difficult and interesting.

Sudoku is now a well-known and popular logic game. Please refer to the example screenshot and the worked example video. At the start of a game the program presents a 9x9 grid of squares divided into rows, columns and 3x3 boxes.

Jigsaw is a puzzle game in which players assemble segments of a picture into their correct relative positions. The jigsaw picture is either an image file - say a photograph - or one created by the program's built-in pattern generators.

A completed phrazy game. The player has managed to include all the vowels and Y in the first words and finds that A and T are in the correct positions. E, C, O H and Y are present in the phrase but in the wrong words.

Masyu is game played on a rectangular grid in which some of the vertices contain black or white circles. An example puzzle and its solution is shown below, followed by a worked example. Contents. Rules; Playing; Example 1; Example 2; Worked Example; Algorithms

The game is played on a rectangular grid and the aim, given a few starting values, is to complete the grid while obeying the Rules shown below. Any two symbols can be used and we use 0 and 1. Our game contains 3000 puzzles, one thousand each of sizes 8x8, 10x10 and 12x12, ordered by difficulty, easiest first. Contents. Rules; Binary Example ...