Best Free Logic Puzzles Online
Logic puzzles can always be solved by reasoning. There is no luck, and guessing is rarely needed. They are ideal if you like the "aha" moment of working something out. The list moves roughly from gentle to demanding.
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Truth & Lie Island
Work out who always lies and who always tells the truth.
Play Truth & Lie Island free → - 7
Einstein's Logic Grid
Match people, pets and drinks from written clues.
Play Einstein's Logic Grid free → - 8
Tips
- Look for the cell with the fewest possibilities first.
- Write down what you know. Elimination beats inspiration.
- If a guess is needed, try to prove it wrong instead of right.
- Come back to a stuck puzzle after a break.