Puzzle Foundry

Puzzle Foundry brings together 51 distinctive logic puzzle types and more than 70,000 challenges in one carefully crafted collection. Explore familiar favorites, discover puzzles you've never encountered before, and always have a fresh challenge waiting.

PLAY YOUR WAY

Browse the full Puzzle Library by family, type, difficulty, size, and completion status—or let Puzzle Foundry choose your next challenge.

Take on a new Daily Puzzle, enjoy a relaxed solo solve, or test yourself across four different challenge modes:

Classic Challenge offers a varied, well-paced puzzle journey.
Speed Round asks how many puzzles you can solve before time runs out.
Perfect Run rewards accurate solving without relying on help.
Timed Challenge puts your solving speed to the test.

Prefer a surprise? Choose Random Puzzle and jump straight into something new.

A COLLECTION BUILT FOR PUZZLE PLAYERS

Every puzzle includes clear instructions, thoughtfully chosen difficulty levels, and a range of grid sizes. Your progress is saved automatically, completed puzzles stay available to revisit, and detailed stats let you track your achievements across the collection.

Pinch to zoom when you want a closer look, choose from light, dark, monochrome, and high-contrast themes, and play wherever you are—the complete puzzle collection works offline.

ALL 51 PUZZLE TYPES

Battleships, Binairo, Bridges, Calcudoku, Choco Banana, Circles and Squares, Corral, Country Road, Dominosa.

Doppelblock, Double Choco, Factorism, Fillomino, Four Winds, Frame Sudoku, Gaidoaro, Galaxies, Grand Tour.

Hakoiri, Heyawake, Hidato, Hundred, Island, Kakurasu, Kakuro, Killer Sudoku, Little Killer Sudoku.

Little Unique Killer Sudoku, Mathrax, Minesweeper, Neighbours, Number Chain, Number Cross, Numbrix, Nurikabe, Pipelink.

Rabbits and Trees, Round Trip, Slitherlink, Snake, Star Battle, Stitches, Sudoku XV, Sukrokuro, Summandum.

Tenner Grid, Tents, Tetoron, Vudoku X, Worms, Yin-Yang.

FAIR PROGRESSION

Start with a broad selection and unlock more puzzle types simply by playing. Every puzzle type can be earned for free.

Optional one-time purchases let you remove the minimal ads, unlock the full collection right away, or do both. There are no subscriptions and no paid-only puzzle types.

Whether you want a quiet daily puzzle, a quick mental workout, or a deep library of logic challenges to explore, Puzzle Foundry is ready for your next solve.