Puzzle Arena
A new logic puzzle every day. Free, no sign-up, and every board has exactly one answer — so there is never anything to guess at.
A Latin square where the clues are signs between squares, not numbers in them.
PlayPlace bulbs until every square is lit, and no bulb can see another.
PlayTwo symbols, three rules, and no row ever repeating another.
PlayGuess the hidden word. The colours tell you how close each letter is.
PlayAll games
About the games
Logic grids. Six daily grid puzzles, a new one of each at midnight UTC, every board with exactly one solution: Futoshiki, Binairo, Skyscrapers, Nonogram, Hitori and Light Up. Each has a rules page and an archive of every past day.
Word games. 19 daily word puzzles in the style of the five-letter guessing game, from one board to sixteen at once, plus equations, primes and a grid of crossing words: Daily Five, Common words, Word500, Primel, Nerdle, Near Miss, Symble, Betweenle, Polygonle, Fusele, Fibble, Mathler, Bulls & Cows, Dordle, Quordle, Octordle, Sedecordle, Squardle and Rewind.
Variant sudoku rules. A glossary of every constraint — killer cages, thermometers, German whispers, renban, fog of war — in a sentence each.
Everything is free and needs no account. Signing in adds a streak, the daily score and a place on the leaderboard.