select free links for you
Puzzle games
Minesweeper Boxman(Sokoban) Sudoku Pipes 2048 Solitaire: Klondike Freecell Spider Mahjong chess: Go(Cosumi) Chess Chinese Chess Gomoku(Gobang)

Casual games
Falling Cubes(Tetris) Plane Combat Retro Snake(Greedy Snake) Tower Defense Snooker billiards(8 balls) slice fruit
All games can be played in HTML, no need to download.