Puzzle

10 games

Slide tiles, merge matching numbers and chase the 2048 tile — the viral puzzle that became H5 gaming's Hello World.

Browser Connect Four: play a friend or take on the built-in computer AI.

The world's first Minesweeper implemented in pure CSS with no JavaScript.

Minesweeper with emoji standing in for mines — a few hundred lines of code, fun straight out of the box.

Wordle for Chinese characters: one four-character word a day, graded on initials, finals and tones.

Hexagon-flavored arcade puzzler: spin a central hex to stack and clear incoming colored blocks.

Space Invaders that breed: every wave descends from the last, and each generation gets smarter.

Jake Gordon's clean Tetris implementation in pure JS, no framework.

An online editor and solver for Sudoku and a huge range of variant puzzles — a staple in puzzle circles.

A beautifully made open-source Sudoku with difficulty tiers, pencil marks, a timer and mistake checking.