Construct pipelines by sliding to connect valve to tank. are fixed in place and cannot be moved. Levels introduce new elements like portals. Complete levels by ensuring flows through the pipeline.
The app offers over 25,000 Sudoku puzzles with four difficulty levels. It includes unlimited undo/redo support and the ability to input any Sudoku game manually.
Play a puzzle game by matching and crushing blocks of the same color to clear the board and progress. Collect specific colored blocks within move limits to unlock new levels. Improve strategic thinking and logical reasoning as difficulty increases.
Play a line-drawing game connecting jewels on a grid. Choose from 10 board sizes. Solve puzzles based on emoji images. Features include intuitive touch controls and no time limits. Includes 300,000 levels and 450+ images.
Solve puzzles by connecting pipes and elbows to create functional piping paths. Guide the through levels to rescue the princess. Collect treasures and progress through increasingly complex challenges.
Move blocks to matching gates to progress through levels. Solve puzzles with increasing difficulty. Unlock new challenges and obstacles. Track progress through multiple levels. Adjust positions to clear paths and complete each level.
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 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 a ball-passing game between cats facing obstacles like flip boards, glass windows, and trap doors. Tap to pass the ball, navigate through challenges, and complete levels. Track progress and unlock new levels as you play.
Allows users to solve number puzzles on a 9x9 grid. Fill cells with numbers 1-9 without repeating in rows, columns, or 3x3 boxes. Features include multiple puzzles, unlimited gameplay, and no ads or in- purchases.
Play by tapping to rotate puzzle pieces and activate lights. Complete unique levels with progressive, random shuffle, and daily puzzle modes. Challenge yourself to improve mental skills daily.