Fillomino
Build numbered regions that fit exactly.
How to play Fillomino
Fill the grid so each connected group of equal numbers contains exactly that many cells. Clues stay fixed; equal-number regions must stay separate. Play with the original Nickelbar rules and board drawings. Help below the game lists its keyboard and mouse shortcuts. Your current game stays in this browser tab.
- Select an empty square and enter a number from 1 to 9.
- Use 0 or Backspace to clear a square, or click to cycle numbers.
- Complete every region. Oversized groups are outlined in red.
Keyboard & mouse controls
LEFT raises the number in a cell, RIGHT lowers it (through blank); the wheel does the same; hover moves the cursor
- Arrow keys
- Move or select a square
- Space / Enter
- Play the selected move, or resume
- N / P
- New game / pause
- H / Tab
- Help and settings / choose a game
- U
- Undo (where available)
Click the board before using keyboard controls. On a phone, you can also use the buttons beneath it.
Common questions
Is Fillomino free?
Yes. Play in your browser without an account or a download.
Can I pause and come back?
Press P to pause. Your current game is kept in this browser tab’s session; your best score is stored on this device. Clearing browser data removes saved progress.
Where is this game from?
The game engine and board drawings come from Nickelbar by Cob Muddybug, adapted to run in a browser. MIT licence and credit.