The Collection
Photo — Mohamed Benziane, UnsplashEvery logic puzzle here is machine-checked by a solver before it is published — one provable solution, no ambiguous clues. Classic imports from the public domain are labeled until they pass review. Browse, attempt, and reveal the proof.
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Showing 50 of 174 puzzles
The Five Desks: Tomás, Maya, Inés, Leo, and Finn
Five persons — Tomás, Maya, Inés, Leo, and Finn — each have exactly one mug, programming language, plant, and snack, and no two share any of them. Match each person to their mug, programming language, plant, and snack fr…
The Five Platforms: Mateo, Zara, Luca, Jonas, and Keiko
Five travelers — Mateo, Zara, Luca, Jonas, and Keiko — each have exactly one ticket class, luggage, destination, and reading material, and no two share any of them. Match each traveler to their ticket class, luggage, des…
The Five Plots: Kwame, Rafael, Ibrahim, Lena, and Hana
Five gardeners — Kwame, Rafael, Ibrahim, Lena, and Hana — each have exactly one tool, watering day, crop, and fence, and no two share any of them. Match each gardener to their tool, watering day, crop, and fence from the…
The Five Seats: Dmitri, Chiara, Bao, Esi, and Amara
Five guests — Dmitri, Chiara, Bao, Esi, and Amara — each have exactly one wine, dish, gift, and hometown, and no two share any of them. Match each guest to their wine, dish, gift, and hometown from these clues: 1. The M…
The Five Platforms: Mateo, Zara, Jonas, Keiko, and Luca
Five travelers — Mateo, Zara, Jonas, Keiko, and Luca — each have exactly one ticket class, reading material, luggage, and destination, and no two share any of them. Match each traveler to their ticket class, reading mate…
The Five Seats: Amara, Farid, Chiara, Dmitri, and Bao
Five guests — Amara, Farid, Chiara, Dmitri, and Bao — each have exactly one hometown, dish, wine, and gift, and no two share any of them. Match each guest to their hometown, dish, wine, and gift from these clues: 1. Chi…
The Five Desks: Maya, Leo, Tomás, Inés, and Finn
Five persons — Maya, Leo, Tomás, Inés, and Finn — each have exactly one plant, mug, snack, and programming language, and no two share any of them. Match each person to their plant, mug, snack, and programming language fr…
The Five Seats: Chiara, Esi, Bao, Farid, and Dmitri
Five guests — Chiara, Esi, Bao, Farid, and Dmitri — each have exactly one wine, hometown, dish, and gift, and no two share any of them. Match each guest to their wine, hometown, dish, and gift from these clues: 1. Dmitr…
The Five Desks: Leo, Inés, Noor, Maya, and Tomás
Five persons — Leo, Inés, Noor, Maya, and Tomás — each have exactly one mug, plant, programming language, and snack, and no two share any of them. Match each person to their mug, plant, programming language, and snack fr…
The Five Shelves: Petrova, Vásquez, Tanaka, Moreau, and Okafor
Five authors — Petrova, Vásquez, Tanaka, Moreau, and Okafor — each have exactly one bookmark, binding, genre, and cover colour, and no two share any of them. Match each author to their bookmark, binding, genre, and cover…
The Five Shelves: Tanaka, Okafor, Moreau, Vásquez, and Petrova
Five authors — Tanaka, Okafor, Moreau, Vásquez, and Petrova — each have exactly one cover colour, genre, binding, and bookmark, and no two share any of them. Match each author to their cover colour, genre, binding, and b…
The Five Seats: Chiara, Bao, Amara, Farid, and Dmitri
Five guests — Chiara, Bao, Amara, Farid, and Dmitri — each have exactly one gift, wine, hometown, and dish, and no two share any of them. Match each guest to their gift, wine, hometown, and dish from these clues: 1. Bao…
The Five Seats: Amara, Esi, Chiara, Bao, and Dmitri
Five guests — Amara, Esi, Chiara, Bao, and Dmitri — each have exactly one hometown, wine, dish, and gift, and no two share any of them. Match each guest to their hometown, wine, dish, and gift from these clues: 1. The g…
The Five Seats: Bao, Farid, Chiara, Esi, and Dmitri
Five guests — Bao, Farid, Chiara, Esi, and Dmitri — each have exactly one wine, gift, dish, and hometown, and no two share any of them. Match each guest to their wine, gift, dish, and hometown from these clues: 1. The g…
The Five Seats: Farid, Amara, Chiara, Dmitri, and Bao
Five guests — Farid, Amara, Chiara, Dmitri, and Bao — each have exactly one wine, gift, hometown, and dish, and no two share any of them. Match each guest to their wine, gift, hometown, and dish from these clues: 1. The…
The Five Lanes: Dario, Aiko, Bruno, Gustav, and Elif
Five drivers — Dario, Aiko, Bruno, Gustav, and Elif — each have exactly one sponsor, fuel, car colour, and mascot, and no two share any of them. Match each driver to their sponsor, fuel, car colour, and mascot from these…
The Five Shelves: Vásquez, Lindqvist, Tanaka, Petrova, and Okafor
Five authors — Vásquez, Lindqvist, Tanaka, Petrova, and Okafor — each have exactly one cover colour, bookmark, genre, and binding, and no two share any of them. Match each author to their cover colour, bookmark, genre, a…
The Five Shelves: Vásquez, Okafor, Tanaka, Petrova, and Moreau
Five authors — Vásquez, Okafor, Tanaka, Petrova, and Moreau — each have exactly one cover colour, binding, genre, and bookmark, and no two share any of them. Match each author to their cover colour, binding, genre, and b…
The Five Shelves: Petrova, Moreau, Lindqvist, Vásquez, and Okafor
Five authors — Petrova, Moreau, Lindqvist, Vásquez, and Okafor — each have exactly one bookmark, binding, cover colour, and genre, and no two share any of them. Match each author to their bookmark, binding, cover colour,…
The Five Desks: Noor, Leo, Inés, Tomás, and Maya
Five persons — Noor, Leo, Inés, Tomás, and Maya — each have exactly one programming language, mug, plant, and snack, and no two share any of them. Match each person to their programming language, mug, plant, and snack fr…
The Five Platforms: Zara, Jonas, Mateo, Luca, and Keiko
Five travelers — Zara, Jonas, Mateo, Luca, and Keiko — each have exactly one ticket class, reading material, luggage, and destination, and no two share any of them. Match each traveler to their ticket class, reading mate…
The Five Shelves: Moreau, Tanaka, Petrova, Vásquez, and Lindqvist
Five authors — Moreau, Tanaka, Petrova, Vásquez, and Lindqvist — each have exactly one cover colour, genre, bookmark, and binding, and no two share any of them. Match each author to their cover colour, genre, bookmark, a…
The Five Seats: Esi, Amara, Chiara, Dmitri, and Farid
Five guests — Esi, Amara, Chiara, Dmitri, and Farid — each have exactly one dish, wine, hometown, and gift, and no two share any of them. Match each guest to their dish, wine, hometown, and gift from these clues: 1. The…
The Five Desks: Tomás, Inés, Leo, Noor, and Maya
Five persons — Tomás, Inés, Leo, Noor, and Maya — each have exactly one plant, programming language, mug, and snack, and no two share any of them. Match each person to their plant, programming language, mug, and snack fr…
The Five Plots: June, Hana, Ibrahim, Kwame, and Lena
Five gardeners — June, Hana, Ibrahim, Kwame, and Lena — each have exactly one watering day, tool, crop, and fence, and no two share any of them. Match each gardener to their watering day, tool, crop, and fence from these…
The Five Seats: Bao, Esi, Chiara, Dmitri, and Farid
Five guests — Bao, Esi, Chiara, Dmitri, and Farid — each have exactly one wine, dish, hometown, and gift, and no two share any of them. Match each guest to their wine, dish, hometown, and gift from these clues: 1. Esi i…
The Five Platforms: Mateo, Priya, Zara, Luca, and Keiko
Five travelers — Mateo, Priya, Zara, Luca, and Keiko — each have exactly one reading material, ticket class, luggage, and destination, and no two share any of them. Match each traveler to their reading material, ticket c…
The Five Shelves: Petrova, Tanaka, Vásquez, Lindqvist, and Moreau
Five authors — Petrova, Tanaka, Vásquez, Lindqvist, and Moreau — each have exactly one binding, genre, cover colour, and bookmark, and no two share any of them. Match each author to their binding, genre, cover colour, an…
The Five Plots: Kwame, Ibrahim, Lena, June, and Hana
Five gardeners — Kwame, Ibrahim, Lena, June, and Hana — each have exactly one tool, crop, watering day, and fence, and no two share any of them. Match each gardener to their tool, crop, watering day, and fence from these…
The Five Seats: Amara, Esi, Chiara, Dmitri, and Farid
Five guests — Amara, Esi, Chiara, Dmitri, and Farid — each have exactly one hometown, gift, dish, and wine, and no two share any of them. Match each guest to their hometown, gift, dish, and wine from these clues: 1. Ama…
The Five Lanes: Dario, Cleo, Aiko, Bruno, and Elif
Five drivers — Dario, Cleo, Aiko, Bruno, and Elif — each have exactly one car colour, sponsor, fuel, and mascot, and no two share any of them. Match each driver to their car colour, sponsor, fuel, and mascot from these c…
The Five Desks: Maya, Tomás, Leo, Inés, and Noor
Five persons — Maya, Tomás, Leo, Inés, and Noor — each have exactly one mug, snack, plant, and programming language, and no two share any of them. Match each person to their mug, snack, plant, and programming language fr…
The Five Plots: Lena, Hana, Rafael, Kwame, and Ibrahim
Five gardeners — Lena, Hana, Rafael, Kwame, and Ibrahim — each have exactly one fence, tool, watering day, and crop, and no two share any of them. Match each gardener to their fence, tool, watering day, and crop from the…
The Five Seats: Chiara, Farid, Amara, Bao, and Esi
Five guests — Chiara, Farid, Amara, Bao, and Esi — each have exactly one wine, hometown, dish, and gift, and no two share any of them. Match each guest to their wine, hometown, dish, and gift from these clues: 1. Farid …
The Five Shelves: Vásquez, Tanaka, Moreau, Lindqvist, and Petrova
Five authors — Vásquez, Tanaka, Moreau, Lindqvist, and Petrova — each have exactly one binding, bookmark, cover colour, and genre, and no two share any of them. Match each author to their binding, bookmark, cover colour,…
The Five Desks: Finn, Leo, Maya, Tomás, and Noor
Five persons — Finn, Leo, Maya, Tomás, and Noor — each have exactly one programming language, mug, and plant, and no two share any of them. Match each person to their programming language, mug, and plant from these clues…
The Five Shelves: Petrova, Moreau, Tanaka, Okafor, and Lindqvist
Five authors — Petrova, Moreau, Tanaka, Okafor, and Lindqvist — each have exactly one genre, binding, and cover colour, and no two share any of them. Match each author to their genre, binding, and cover colour from these…
The Five Shelves: Vásquez, Okafor, Moreau, Lindqvist, and Tanaka
Five authors — Vásquez, Okafor, Moreau, Lindqvist, and Tanaka — each have exactly one binding, genre, and cover colour, and no two share any of them. Match each author to their binding, genre, and cover colour from these…
The Five Platforms: Luca, Zara, Keiko, Jonas, and Priya
Five travelers — Luca, Zara, Keiko, Jonas, and Priya — each have exactly one reading material, luggage, and destination, and no two share any of them. Match each traveler to their reading material, luggage, and destinati…
The Five Desks: Noor, Inés, Leo, Finn, and Maya
Five persons — Noor, Inés, Leo, Finn, and Maya — each have exactly one snack, programming language, and mug, and no two share any of them. Match each person to their snack, programming language, and mug from these clues:…
The Five Lanes: Bruno, Elif, Aiko, Dario, and Gustav
Five drivers — Bruno, Elif, Aiko, Dario, and Gustav — each have exactly one mascot, sponsor, and fuel, and no two share any of them. Match each driver to their mascot, sponsor, and fuel from these clues: 1. The driver w…
The Five Desks: Maya, Leo, Noor, Tomás, and Finn
Five persons — Maya, Leo, Noor, Tomás, and Finn — each have exactly one snack, mug, and programming language, and no two share any of them. Match each person to their snack, mug, and programming language from these clues…
The Five Platforms: Zara, Priya, Mateo, Keiko, and Jonas
Five travelers — Zara, Priya, Mateo, Keiko, and Jonas — each have exactly one luggage, ticket class, and destination, and no two share any of them. Match each traveler to their luggage, ticket class, and destination from…
The Five Desks: Tomás, Leo, Inés, Finn, and Maya
Five persons — Tomás, Leo, Inés, Finn, and Maya — each have exactly one mug, plant, and programming language, and no two share any of them. Match each person to their mug, plant, and programming language from these clues…
The Five Seats: Esi, Farid, Dmitri, Bao, and Amara
Five guests — Esi, Farid, Dmitri, Bao, and Amara — each have exactly one wine, hometown, and gift, and no two share any of them. Match each guest to their wine, hometown, and gift from these clues: 1. Farid is not the g…
The Five Plots: Lena, Ibrahim, Kwame, Rafael, and June
Five gardeners — Lena, Ibrahim, Kwame, Rafael, and June — each have exactly one watering day, fence, and crop, and no two share any of them. Match each gardener to their watering day, fence, and crop from these clues: 1…
The Five Desks: Leo, Tomás, Noor, Inés, and Finn
Five persons — Leo, Tomás, Noor, Inés, and Finn — each have exactly one mug, snack, and plant, and no two share any of them. Match each person to their mug, snack, and plant from these clues: 1. The almond eater is the …
The Five Plots: June, Lena, Kwame, Ibrahim, and Hana
Five gardeners — June, Lena, Kwame, Ibrahim, and Hana — each have exactly one tool, crop, and fence, and no two share any of them. Match each gardener to their tool, crop, and fence from these clues: 1. Hana is not the …
The Five Shelves: Lindqvist, Tanaka, Petrova, Okafor, and Vásquez
Five authors — Lindqvist, Tanaka, Petrova, Okafor, and Vásquez — each have exactly one cover colour, bookmark, and binding, and no two share any of them. Match each author to their cover colour, bookmark, and binding fro…
The Five Desks: Finn, Tomás, Inés, Leo, and Maya
Five persons — Finn, Tomás, Inés, Leo, and Maya — each have exactly one plant, mug, and snack, and no two share any of them. Match each person to their plant, mug, and snack from these clues: 1. The owner of the black m…
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