The Fill

Play The Fill unblocked

Looking for a puzzle game you can play at school? The Fill loads straight in your browser on Physics Shark: free, unblocked and nothing to install. Play it on a school Chromebook, a laptop, a phone or a tablet.

What is 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.

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.

The Fill FAQ

Is The Fill free to play?

Yes. The Fill is free on Physics Shark, with nothing to download and no account to make.

Can I play The Fill unblocked at school?

The Fill runs in a normal browser tab with no install, so it plays on school Chromebooks and laptops, with nothing to install and no account.

Does The Fill work on phones and tablets?

Yes. It works with touch controls on phones and tablets, and with a keyboard and mouse on computers.