Play Fill In the holes online for free and enjoy a clear, logical puzzle experience. Tap or click grid cells to create regions that match the number shown on each tile. The rules are simple to learn and quick to practice.
This game suits players who like brain training without time pressure. Solve hundreds of levels that grow in difficulty and sharpen your planning and deduction skills as you advance.
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Desktop
- Left click a cell to fill it.
- Left click a filled cell to unfill it.
- Right click or Shift+click to mark a cell as blocked if marking is supported.
- Use Z to undo, R to reset the level, and H for a hint when those shortcuts are available.
Mobile
- Tap a cell to fill it with the current color.
- Tap a filled cell again to unfill it.
- Use pinch to zoom if the grid is large. Use on-screen buttons for undo, reset, or hint when available.
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Fill In the holes is a calm logic puzzle that asks you to fill grid cells so each numbered tile controls a region of the exact same size. Each number on the board indicates how many adjacent cells must share its color. Your goal is to fill, leave, or mark cells until every number has a matching region and the whole grid meets the rules.
Gameplay focuses on pattern recognition and step by step deduction. You build regions by clicking or tapping cells, avoid overfilling, and use logic to decide which cells remain empty. There is no timer pressure. Levels increase in size and complexity across hundreds of puzzles, offering quick casual rounds and deep brain training as you progress. Simple controls, clear visuals, and steady difficulty make this game great for players of all ages who want a relaxing but challenging online puzzle experience.
- Objective: Create connected colored regions that match each numbered tile's value.
- Mechanics: Fill cells, unfill when needed, and use logic to prevent conflicts.
- Appeal: Short sessions for casual play and more complex boards for extended challenge.
Game Details
Category
Puzzle
Developer
Unknown
Technology
HTML5
Platform
Web Browser
Devices
Desktop, Tablet, Mobile
Game Features
Easy Rules, Fast Start
Learn the core rule in seconds: a number means that many connected cells of the same color. Start solving right away.
Hundreds of Levels
Progress through 100+ puzzles with steadily increasing grid size and logical complexity.
No Time Pressure
Play at your own pace with no timer. Focus on reasoning and careful planning instead of speed.
Mobile Friendly
Simple touch controls and responsive layout make the game easy to play on phones and tablets.
Undo and Hints
Use undo and hint tools to correct mistakes and learn new solving techniques when you get stuck.
Frequently Asked Questions
Look at each numbered tile and create a connected group of cells that matches that number. Fill cells by tapping or clicking. Do not overfill a region. Use logic to deduce which cells belong to each number.
Yes. The game offers hundreds of levels that increase in difficulty. Early boards are small and simple while later boards require more planning.
Yes. The game supports touch controls. Tap to fill or unfill cells and use on-screen buttons for undo, reset, or hints if available.
No. The game focuses on logic and has no timer. You can solve puzzles at your own pace without pressure.
Use the undo button or tap a filled cell to unfill it. If available, use reset to restart the current level or use a hint to reveal a safe move.