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Classic deduction puzzles

Logic Problems

Choose a mystery to solve online, or print it and work through the clues later.

Five firefighters, including one woman, present safe equipment demonstrations to families outside a sunny community firehouse.
Medium

The Firehouse Open House

Match five firefighters with safety demonstrations, emergency vehicles, and scheduled starting times at a community open house.

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Elegant guests dance and enjoy afternoon tea beside flower-topped tables in a sunlit 1930s Art Deco hotel ballroom.
Medium

The Riverside Hotel Tea Dance

Match five guests with their dance partners, floral centerpieces, and first dances at an elegant 1936 afternoon social.

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Five friends in scarves compare five unbranded seasonal drinks at a pumpkin-decorated outdoor café table surrounded by colorful autumn leaves.
Medium

The Fall Drink Meetup

Match five friends with their café stops, fictional seasonal drinks, and staggered autumn visit times.

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Five distinctive handcrafted wooden chess sets displayed before smiling visitors and woodcarvers at a warm craft fair.
Medium

The Chess-Set Carvers’ Showcase

Match five woodcarvers with their themed chess pieces, chosen woods, and decorative board borders.

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Five cheerful glowing pumpkin lanterns depicting a laughing face, teary face, friendly witch, bashful goblin, and winking ghost at a warmly lit autumn festival.
Medium

The Friendly Fright Carving Contest

Match five carvers with their cheerful lantern designs, specialty tools, and decorative autumn accents.

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Laughing soaked campers catch drips in cups and slide towels across a leaking cabin floor while counselors carry buckets and surprised parents watch the summer rain.
Medium

Parents’ Day at Camp Serenity

Match five camper guides and counselors with radio times and the harmless calamities that transformed Parents’ Day.

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Moonlit outdoor bayou restaurant with five dining tables, colorful lanterns, glowing fireflies, moss-draped cypress trees, a paddleboat, a heron, and a bullfrog beside the water.
Medium
Soundscape

This puzzle includes optional bayou sounds that begin after the first click on a button or the grid.

Animated

Fireflies drift outside the illustration while you solve. Reduced-motion settings are honored.

Fireflies on Blue Bayou

Match five waterside tables with Louisiana entrées, colorful lanterns, and moonlit bayou views.

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Five handlers stand with five alpacas wearing colorful patterned blankets beside grooming tools at a sunny county fair.
Medium

The Alpaca Parade Preparations

Match five handlers with their alpacas, grooming tools, and positions in a colorful county-fair parade.

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A friendly cobbler hands a wrapped footwear parcel to a customer in a sunny traditional shoe-repair shop.
Medium

The Cobbler’s Saturday Pickup

Match five customers with restored footwear, different repairs, and Saturday morning pickup times at a cozy village cobbler’s shop.

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Three cheerful carhops wearing red, turquoise, and pom-pom quad roller skates carry meal trays between gleaming 1950s cars outside the Cherry Top Drive-In.
Medium

Chrome, Fins, and French Fries

Match five roller-skating carhops with savory meals, numbered parking bays, and distinctive skates at a cheerful 1950s drive-in.

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Marines conduct supervised desert rappel and obstacle training.
Medium

Desert Training Rotation

Match five U.S. Marines with their training stations, recorded completion times, and logged field gear.

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Medium

The Boardwalk Prize Trail

Match five friends with their boardwalk stops, prizes, and the order in which each stop was visited.

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Medium

The Treehouse Lookout Mission

Match five boys with their equipment, treehouse lookout positions, and neighborhood discoveries.

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Medium

The Photography Club's Vintage Challenge

Match five photographers with their vintage cameras, town landmarks, and film speeds for the club's evening exhibition.

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Medium

The Moonlight Sandcastle Festival

Match five builders with their sandcastle styles, main construction tools, and finishing decorations.

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Medium
Soundscape

This puzzle includes optional sounds that begin after the first click on a button or the grid.

Five Minutes Before Noon

Match five clockmakers with their restored timepieces, adjustment tools, and rehearsal chimes before the town bell strikes noon.

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Medium
Soundscape

This puzzle includes optional sounds that begin after the first click on a button or the grid.

The Cable-Car Picnic Detour

Match five neighborhood professionals with their boarding times, cable cars, and picnic destinations before the final transfer departs.

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Medium

The 1926 Dining Car Mix-Up

Match five formally dressed rail passengers with their entrées, luggage labels, and exit stations.

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Medium

The Anything-But-Dogs Pet Show

Match five owners with their non-dog pets, trained tricks, and playful awards.

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