Solve puzzles and complete grids
Solve puzzles by filling a grid with zeros and ones. Ensure each row and column has equal numbers of each. Avoid three identical numbers in a row or column. Complete puzzles with pre-filled starting cells.
Showing 121–140 of 1,000 ranked alternatives.
Red Key Software Corporation
Play puzzles anytime, anywhere
Offers unique handcrafted puzzles in standard, symmetrical, and patterned styles. Users can select from four skill levels and choose multiple color schemes. The highlights incorrect answers in red and allows multiple notes for puzzle solving.
Tianjin Guoxin Inspection and Testing Co., Ltd
Match blocks, clear grids, win puzzles
Play by arranging shaped blocks on a 9x9 grid to clear them and collect treasures. Merge three identical items to create new ones. Unlock higher levels by completing challenges and clearing the grid.
俊杰 龚
Solve puzzles and track progress
Solve picture puzzles by filling grids based on numerical clues. Adjust difficulty settings and track progress. Features include hints, undo options, and multiple puzzle themes. Share completed puzzles via social media.
Spark and Spiral Software Inc.
Play Sudoku with symmetry and challenge
Play puzzle games with 1300+ levels featuring handcrafted puzzles and challenge mode. Solve Sudoku-based grids with symmetry rules. Track progress through difficulty tiers and timed challenges.
Longwind Studio
Solve puzzles and clear grids
Play a wooden puzzle by filling 9x9 grids. Eliminate rows and columns when filled, and clear 3x3 subgrids as well. Track progress and challenge brain skills through puzzle solving.
Alexander Berson
Play, fill, and solve fruit puzzles
Solve puzzles by filling empty squares with fruits. Ensure each row, column, and 2×3 block contains six unique fruits. Adjust difficulty levels and track progress across multiple games.
Conceptis Ltd.
Play puzzles, solve challenges, track progress
Solve logic puzzles combining and Kakuro rules. Fill 9x9 grids with numbers 1-9 following rules and sum constraints. Use add/subtract calculations to determine cell values. Track progress and complete puzzles of varying difficulty.
Kathryn Aaker
Solve with simple rules
Solve placement with 2 rules: each row, column, and region has exactly 2 stars; no stars can touch, including diagonally. Track progress and access from KrazyDad, featured in the New York Times.
Irina Schens
Solve of trains
Solve featuring trains and steam locomotives. Choose from 30 handmade images. Adjust puzzle difficulty with 11 size options ranging from 4 to 144 pieces. Designed for children with simple, intuitive controls.
Conceptis Ltd.
Solve puzzles and find hidden fleets
Solve logic-based puzzles by deducing ship positions on a 10x10 grid. Use numerical clues to identify hidden fleet placements. Play single-player without math skills. Track progress and replay puzzles.
Andrew London
Fill grids with numbers and symbols
Solve logic by filling a 5x5 grid with numbers 1-5. Use greater than and less than signs between cells to determine correct placements. Ensure each row and column contains unique numbers without repeating.
Netflix, Inc.
Solve puzzles and connect communities
Solve tactical tile puzzles in a charming world. Move through interconnected grids to progress. Discover unique environments that shift with your actions. Complete puzzles to advance the story and connect with communities.
Loyal Foundry, Inc.
Play and solve puzzles
Play with thousands of free puzzles. Solve grids by filling numbers 1-9. Take notes that update automatically as you progress. Adjust difficulty levels and track progress. Share completed puzzles with friends.
Ivan Samodurov
Play puzzles and solve grids
™ lets users solve puzzles by placing numbers in correct cells without repetition in rows, columns, or boxes.
Simon Schuster
Solve puzzles and track progress
Solve logic puzzles by arranging numbers in a grid. Each row and column contains unique numbers. Use clues to determine correct placements. Adjust grid size for difficulty levels. Track progress across multiple games.
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