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.
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 picture logic puzzles by filling grid cells based on numerical clues. Reveal hidden images through logical deduction. Customize difficulty levels and track progress across multiple puzzles. Share completed puzzles via social media.
Play with unique stacks across 8 themes. Choose from 40 backgrounds and 5 tile sets. Track progress and replay previous games. Unlock new levels and customize appearance settings.
Play a grid-based puzzle where the objective is to place following specific rules. Each row, column, and color region must contain exactly one crown, and cannot be placed in adjacent cells.
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.
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
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 by converting zeros to ones on a grid. Match target decimal numbers at the end of rows and columns. Track progress and improve logic and problem-solving skills.