Logic Puzzles & Brain Training
Puzzle fans and daily brain training
Clean, generated logic puzzles with a single solution, from quick mini grids to expert-level challenges. Train your brain for five minutes or get lost for an hour.
65 games · free · no download
Play together
Online rooms with an invite link, or pass-and-play on one device.
OnlineChess
Real-time chess with clocks, legal-move checks and draw offers.
OnlineNewReversi
Outflank and flip discs to own the board.
OnlineNewDots and Boxes
Draw lines, close boxes, and take another turn.
OnlineNewBattleship
Hide your fleet, fire salvos and sink every enemy ship.
OnlineNewGomoku
Five in a row on a big board. Simple rules, deep tactics.
OnlineNewMancala
Sow seeds, capture and fill your store in this ancient game.
GroupNewTeam Values Ranking
Rank values or survival kits together, and learn how your team decides.
Play on your own
SoloSudoku
Fresh puzzles with unique solutions, notes and four difficulty levels.
SoloMaze Runner
Procedurally generated mazes. Find the exit as fast as you can.
SoloMinesweeper
Classic logic sweeping with a safe first click and flag mode.
SoloNewLights Out
Flip a light and its neighbours flip too. Switch the whole board off.
SoloNewNonogram
Use the number clues to paint the hidden picture.
SoloNewDaily Nonogram
One 10×10 picture puzzle a day, the same for everyone.
SoloNewBinary Puzzle
Fill the grid with 0s and 1s. No three in a row, every line balanced.
SoloNewFutoshiki
A Latin square with greater-than and less-than signs.
SoloNewMath Cages
Fill the grid so every cage hits its target sum, difference, product or quotient.
SoloNewMini Sudoku
Sudoku in a coffee break: a 6×6 grid with 2×3 boxes.
SoloNewDaily Sudoku
One 9×9 sudoku a day, the same for everyone.
SoloNewMagic Square
Place every number once so each row, column and diagonal has the same total.
SoloNewLight Up
Place bulbs to light every cell, without bulbs shining on each other.
SoloNewCode Breaker
Crack the hidden colour code. Each guess tells you how close you are.
SoloNewBulls and Cows
Guess the secret 4-digit number. Bulls are spot on, cows are close.
SoloNewTower of Hanoi
Move the tower, one disc at a time, never big on small.
SoloNewN-Queens
Place N queens so no two can attack each other.
SoloNewKnight's Tour
Jump the knight to every square exactly once.
SoloNewWater Jug Puzzle
Measure exactly the right amount with jugs that have no markings.
SoloNewRiver Crossing
Get everyone across in a tiny boat without anyone getting eaten.
SoloNewMatchstick Equations
Move one matchstick to make the sum true.
SoloNewLogic Grid Puzzle
Read the clues, cross out the impossible, find who has what.
SoloSpot the Difference
Two scenes, five sneaky changes. Can you find them all?
Solo2048
Slide, merge, reach 2048, then keep going.
SoloSliding Puzzle
Slide the tiles back into order in as few moves as possible.
SoloSimon Says Memory
Watch the lights, hear the tones, repeat the sequence.
SoloNewGuess the Country
Its capital, its continent, its currency. Name the country.
SoloNewTimeline Ordering
Which came first: the Taj Mahal or the Eiffel Tower?
SoloNewBinary Conversion
1011 = ? Convert between binary and decimal.
SoloNewNumber Sequence
What comes next? Spot the rule.
SoloNewAngle Estimation
Eyeball the angle. No protractor allowed.
SoloNewCalendar Math
What day is it in 100 days? Is 1900 a leap year?
SoloNewIncremental Universe
Gather stardust and build a universe, then many.
SoloNewLetter Grid
Join neighbouring letters to find words in three minutes.
SoloNewWord Ladder
COLD to WARM, one letter at a time.
SoloNewWord Connections
Sixteen words, four hidden groups. Watch for red herrings.
SoloNewDaily Code
One secret colour code a day, the same for everyone. Ten rows to crack it.
SoloNewDaily Logic Grid
One logic grid a day, the same for everyone.
SoloNewBlock Puzzle
Drop shapes on an 8×8 board and clear full rows and columns.
SoloNewBall Sort
Sort the coloured balls so every tube holds one colour.
SoloNewWater Sort
Pour coloured water between tubes until every tube is one colour.
SoloNewColor Flood
Flood the board with one colour in as few moves as you can.
SoloNewSameGame
Clear groups of matching blocks. Bigger groups score far more.
SoloNewPipe Connect
Rotate tiles to power every lamp from the source.
SoloNewUnblock: Parking Jam
Slide cars out of the way and get the red car to the exit.
SoloNewColor Match
Does the word mean the colour you see? Answer before the bar runs out.
SoloNewParking Master
Eight parking puzzles: nose in, back in, parallel park and squeeze into the garage.
SoloNewCopy the Doodle
See a doodle for four seconds, then draw it from memory. How close can you get?
SoloNewOne-Line Drawing
Trace every line exactly once without lifting your finger. 50 levels plus a daily figure.
SoloNewDungeon Crawler
A turn-based roguelite: new dungeon every run, one life, a boss every fifth floor.
SoloNewMini Tower Defense
Four towers, three upgrade levels, twenty waves, three maps. Hold the road.
SoloNewMini Escape Room
Three point-and-click rooms. Find the clues, crack the locks, get out.
SoloNewDetective Case Files
Read the statements, study the evidence, and accuse the right person.
SoloNewWho Is Lying?
Truth-tellers never lie, liars never tell the truth. Work out who's who.
SoloNewCryptogram
Crack the letter-swap cipher to reveal a famous quote.
SoloNewJigsaw Puzzle
Real interlocking pieces, six painted pictures and a new daily puzzle.
SoloNewColour Mixer
Mix drops of paint to match a target colour. New palette every day.
SoloNewRepeat the Melody
Listen to a tune on the piano, play it back, and it grows by one note each round.
Logic & Brain FAQ
Are these logic & brain games free?
Yes. Every logic & brain game on OFF PLAY is free to play in your browser, with no download, install or account needed for solo play.
Can I play logic & brain games on my phone?
Yes. Every game works on phones, tablets and computers, with touch controls on mobile and keyboard or mouse controls on desktop.
Can I play with friends?
Yes. 7 games in this category can be played together, either online in a private room you share with a link, or by passing one device around.