About The Fill
Sharpen your mind with a connect-the-block-style one-line brain training puzzle game. A simple but addictive one-line puzzle game that’s completely free to play. Your brain becomes more active the more you play. During your commute, before you sleep… enjoy downtime with brain training. The rules are extremely simple. Just fill in all of the blocks using only one line. Use hints for puzzles that are too hard to solve. Hints are also free, of course.
The Fill is a free online puzzle, strategy, skill, brain, logic game that you can play directly in your browser. No downloads or installations required — just click play and enjoy! Available on For Android, For IOS, For Desktop.
How to Play The Fill
Swipe or draw one continuous line that passes through every block without lifting your finger or mouse. You must fill every block in one go; backtracking isn’t allowed. If a puzzle feels too complex, tap the hint icon to reveal part of the solution and it’s free. s you complete puzzles, higher difficulty levels unlock more challenging puzzles.
Tips and Strategies
- Look at the whole board before making your first move.
- Work backwards from the goal to find the optimal solution.
- Don't rush — puzzle games reward careful thinking over speed.
- If you're stuck, try a completely different approach.
- Pay attention to visual and audio cues that hint at solutions.
Game Features
- Puzzle gameplay
- Strategy gameplay
- Skill gameplay
- Brain gameplay
- Logic gameplay
- Free to play — no downloads required
- Play on For Android, For IOS, For Desktop
- Instant browser-based gameplay
Why Play The Fill on H5Bros?
H5Bros offers the best free online gaming experience. Play The Fill and over 1,000 other games instantly in your browser — no sign-ups, no downloads, no ads interrupting your gameplay. Our collection includes puzzle, strategy, skill, brain, logic games and much more, all hand-picked for quality and fun.