Gamemaster 

    

Games of High Strategy and Skill

Abalone   Hex 11x11   (scroll down to the middle of the page and select) (Rules)
Arimaa  Hex 7x7
Jotto
A Taxi Japanese Chess  Shogi (live play)    Shogi Rules  Play the computer
Backgammon Konane
Blokus    Game   (Rules) Lines of Action    (Rules)
Checkers Mancala
Chess Chess Kids (learn how to play, tricks, skills, etc.) Mastermind    Solitary
Basic Chess Variants - a history and glossary of all chess type games Nine Men's Morris 
Chinese Checkers Omega Chess     Rules
Chinese Chess  (Xiang Qi)   (Rules) Othello   (Reversi)
Connect 4       Not Score Four Rush Hour   Deck:  1   2   3
Diam    (Rules) Quads
Five Field Kono Quarto 
Flash Ludo Quixo
Gipf  (free download)  Rules Set 1     Set 2
Go 5x5   (or set the board to any size, official is 19x19)  (Learning Go) TacTix
Gomoku Tic-toc-tac-toe  (with adjustable board size)
   
   

Puzzles                                                                              

Aliquot Game a game of division Pentalpha
Blithe 12 Puzzle Parlor
Bridges   (also known as Hashiwokakero) Rubik Cube

Daily Codebreaker Puzzles (crossword puzzle with no clues! Instead, every letter of the alphabet has been replaced by a number, the same number representing the same letter throughout the puzzle. All you have to do is decide which letter is represented by which number!)

Sliding Block Puzzles
Four Knights     

Slitherlink  (also known as *Fences* and *Loop the Loop*)

 

Grow Cube Three Glass Puzzle  The Three Jugs Problem   Two Pails Puzzle
Light Up   Traffic Jam
Kakuro 
KenKen (Kendoku)
Memory Games
Not Collapse
Web Sudoku