
blunder.clinic
Six realistic chess positions a day where the task is simply not to blunder.
782 daily logic puzzles in your browser, each with a page on how it plays, when it resets and where to play it.

Six realistic chess positions a day where the task is simply not to blunder.

Guess the whole winning line of a chess puzzle, with Wordle colours on each move.

One brain teaser a day, with a hint and the full workings when you want them.

Fit eight wooden blocks into a box so that three rules all hold.

Rotate pipe tiles on an 8x8 grid until every branch connects to the source, one shared puzzle a day.

Join numbered islands with single or double bridges into one connected network.

Six quick questions a day, the same for everyone: two maths, two words, two patterns.

Sudoku with nine coloured bubbles instead of numbers, one board for everyone each day.

Crack the day's secret 4-digit code from bulls and cows clues, with the same code for every player.

Colour hexagons yellow or black so every row hits its target sum.

A daily killer sudoku that starts with no digits, only cage sums.

Fill the cages so each one hits its target with +, ×, − or ÷.

Fill a Latin square so every cage hits its target with +, -, x or ÷.

Cancel cells until every row and column adds up to its target.

Sudoku with Canadian emojis instead of numbers, fifteen new puzzles a day.

Visit the day's capitals one by one and close the shortest loop you can.

Find every hidden capybara: one per colour, one per row and column, none touching.

Work out a row of face-down playing cards from clues about rank, suit and position.

Slide pieces until they hit a wall and steer the target to the goal in the fewest moves.

Cut a grid of digits into blocks that all add up to the same total.

Dig up the buried gems from number clues without hitting a skull.

Split the grid into rectangles, each holding one number equal to its area.

Add walls to a Celtic knot so each colour's pips end up on one ribbon.

Sudoku where the nine centre squares of the boxes form an extra region.

Find the one edge that keeps a won dots and boxes ending.

Red to play: take every black piece in three moves.

Checkmate the computer on a six by six board in as few moves as you can.

Every move is a capture: keep taking until one chess piece is left.

One chess position a day: find the winning line, from a gentle Monday to a hard Sunday.

One white piece clears the board, becoming whatever it captures.

A hand-picked chess tactic from a real tournament game, one a day for everyone.

Eat the mascots in order; every square you touch becomes a wall.

Swap and rotate tiles until every coloured path joins its matching endpoints.

A daily letter-sum: every letter hides a different digit.

A small ad-free site of original daily logic puzzles, from Circle Nine to Stitchwords.

Clear a board of card suits in the target number of taps.

A turn-based vault heist where time moves only when you do.

Place every guest on the manor floor plan from what they remember, then find the Hider.

Place every person on the temple map from their clues to find the hidden relic, then decode a phrase in a…

The Zebra Puzzle told in emoji, across a row of houses.

Solve a word clue, then roll letter cubes into place to spell the answer.

Work out which of 20 suspects are criminals and which are innocent, one proven deduction at a time.

Prove who is innocent and who is criminal in a grid of suspects, one clue at a time.

A daily 9 by 9 sudoku on CNN Games.

Crack the day's four-colour code in ten guesses.

Mastermind solved from the transcript: deduce the code from scored attempts.

Crack today's four-colour code in eight guesses, Mastermind style.

Fire one ricochet shot at a time; every wall it touches goes cold and stops being solid.