Engage your mind with a challenging block connect puzzle game. Fill all blocks using a single line, with over 2000 levels and daily challenges. Also features a water color sorting puzzle with 1500+ levels.





10+ similar games compared and reviewed
Whether you want more options like Line To Fill or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.





Engage your mind with a challenging block connect puzzle game. Fill all blocks using a single line, with over 2000 levels and daily challenges. Also features a water color sorting puzzle with 1500+ levels.












Connect all the dots with a single, unbroken line without lifting your finger. This game offers simple yet challenging puzzles that test your mind and improve your brain training.






Rotate tiles to connect power, connectors, and bulbs and make them glow. This puzzle game offers thousands of levels with increasing complexity, including color mixing and wrapping mechanics. Enjoy a relaxing yet challenging experience with a visually appealing interface and sound effects.


Challenge your mind with this addictive sliding block puzzle game. Maneuver balls through intricate mazes by swiping in any direction. Strategize your moves to reach target spots and overcome obstacles in hundreds of levels.


Engage your mind with daily brain puzzles designed for all ages and skill levels. This app offers a variety of games and a user-friendly interface to keep you entertained and mentally active throughout the day. Compete with friends and receive daily notifications so you never miss a challenge.


Experience a unique block puzzle game where blocks fall from four walls. Strategically move and rotate pieces to fill rows and clear space, offering a fresh challenge with multiple game modes and a twisted perspective.

