Solve puzzles with 9x9 grids divided into 3x3 blocks. Enter numbers 1-9 in empty squares. Check for valid moves and complete puzzles to qualify for Amazon.com Gift Card sweepstakes. View results and copy gift codes if won.
Solve logic puzzles by filling grids based on numerical clues. Users can select difficulty levels, track progress, and restart puzzles. Features include hint system, timer, and undo options.
Play in five different modes: 9x9, 6x6, Wordoku, Killer , and daily challenges. Solve puzzles with numbers or letters. Track progress and set difficulty levels. Share completed puzzles.
Play logic puzzles by filling 10x10 grids with 0s and 1s. Ensure each row and column has equal numbers of 0s and 1s. Avoid three identical numbers in a row. Earn points by solving grids efficiently. Use time-based multipliers for higher scores.
Solve with classic gameplay rules. Avoid repeating numbers in rows, columns, or 3×3 grids. Adjust difficulty in real time. Select from Easy, Medium, Hard, Master, or Daily Challenge. Track progress with detailed performance insights.
Solve puzzles with a 9x9 grid and 3x3 sub grids. Enter numbers 1 through 9 in each cell. Complete puzzles using logic without guessing. Access unlimited puzzles. Track progress across multiple difficulty levels.
Navigate environments using portals and shields to solve intricate puzzles. Move across conveyor belts, ice, and lava. Compete on leaderboards and set speed run records. Adjust difficulty settings and track progress.
Play by filling a 9x9 grid with numbers 1-9 without repetition in rows, columns, or 3x3 blocks. Choose from multiple difficulty levels. Track progress and solve puzzles to improve logic and concentration.
Solve puzzles to . Navigate through obstacles and avoid teachers. Complete boss fights to progress. Unlock new levels and track progress. Share achievements with friends.
The app presents a logic puzzle for touch screens. Users draw rails to create a working monorail system, connecting all stations to form a single loop.
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.
Play by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 section contains unique digits. Choose difficulty levels and track progress across multiple games.
Play puzzles with high-quality graphics. Use dual keypads for entries and notes. Enable smart notes for automatic note entry and updates. Track progress and solve puzzles on iPad.
Play by matching identical tiles to remove them from the board. Tap tiles to select pairs and clear the table. Tiles must be open and free to be picked. Track progress through multiple levels and themes.