If you are looking for word and logic puzzles you may like to try this site
http://pzl.org.uk/
It describes 18 games: Sudoku, Kakuro, Sokoban, Minesweeper, Futoshiki, Boggle, Codeword,
Sumpuzzle, Jigsaw, Scrabbler, Akari, Bridges, Shikaku, Suguru, Hidato, Fillomino, Wordwheel and Wordladder.
All the games can be solved by logic: no guessing is required, and all
have hint and help options designed to enable players to learn how to
solve the puzzles.
They are written in Python, run on the Raspberry Pi and are free to download, use and change.