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.
Play with over 10,000 puzzles across 600+ levels. Choose from 11 variations of the classic game. Track progress through a to unite a kingdom and defeat an evil sorcerer. Solve puzzles to advance through islands.
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.
Allows users to fill 9×9 grids with numbers 1-9. Tap cells to input numbers. Take notes and use hints. Access unique levels. Track progress and train brain skills.
Play a game that combines puzzles and . Drag blocks onto the board to clear rows, columns, and 3x3 squares. Solve puzzles by matching numbers and shapes. Track progress and compete with others.
Solve puzzles with varying difficulty levels. Input numbers, check for errors, and complete grids. Track progress and access new puzzles daily. Share scores with friends.
Play puzzle-based RPG levels to solve challenges and progress through a story-driven game. Complete quests like defeating goblins, opening doors, and saving the world. Solve logic puzzles, number challenges, and creative sorting tasks to advance.
Solve pixel art using numbered hints to determine filled and blank pixels. Reveal images by logically deducing correct cells. Play hundreds of with increasing difficulty. Track progress and complete challenges. Share completed artwork with others.
Solve algebra equations step-by-step. Practice arithmetic operations anytime. Access over 100,000 grade-specific word problems with explanations. Receive personalized feedback and progress tracking.
Solve puzzles with varying difficulty levels. Input numbers manually or transfer from newspapers. Use pencil and paper style tools for notes and hints. Track possible numbers with a ball of string. Access expert-level hints like Swordfish.
Play with five overlapping 9x9 grids. Solve puzzles following standard rules. Choose from five difficulty levels and various types like Gattai and Butterfly. Use the Hint feature to auto-fill the board with non-conflicting numbers.
Play by filling a 9x9 grid with digits 1-9 in each row, column, and 3x3 box. Choose from 5 difficulty levels. Levels are generated using AI and machine learning. Track progress and revisit previous games.