Logic Grid and Deduction Puzzles

These tools give puzzles solved by deduction. Make a zebra-style logic grid in many sizes, try hard grids with few clues, or give children small themed puzzles. Printable packs have answer pages, and knights and knaves puzzles ask who tells the truth.

Tools in this group

• Hard Logic Puzzles — Large logic grids with few clues. Expert puzzles need trial and contradiction; every puzzle still has a single answer.
• Knights and Knaves Puzzles — Knights always tell the truth and knaves always lie. Read what each islander says and work out who is who.
• Logic Grid Puzzle Maker: Zebra and Einstein Puzzles — Make a new logic grid puzzle in any size from 3x3 to 5x6, solve it on the grid with hints, or print a set with answer pages.
• Easy Logic Puzzles for Kids, Printable — Small logic puzzles with friendly themes. Children pick answers from a table, or print the puzzles with an answer page.
• Logic Puzzles with Answers: Printable Pack — Choose the puzzle types and difficulty, reveal each answer on screen, or print the pack with an answer key.