Sharpen your mind with a fill-the-block-style one-stroke line brain training puzzle game.
A simple but addictive fill one stroke line block puzzle game that's completely free to play.

HOW TO PLAY
Just fill in all of the blocks using only one stroke line.

FEATURES
- NO WIFI?NO PROBLEM,Enjoy puzzle anytime, anywhere
- FREE TO PLAY & Suitable for all ages
- NO penalties & time limits
- You can enjoy Drag & Fill block puzzle at your own place

Use hints for puzzles that are too hard to solve.
Hints are also free, of course.

It's great for time filling and always keeps the brain working. The puzzles in this one line stroke game can be hard or easy, but each one takes careful planning.

Your brain becomes more active the more you play.
During your commute, before you sleep… enjoy downtime with brain training.

// Option A //

To download Drag And Fill -1Stroke Puzzle mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Drag And Fill -1Stroke Puzzle mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Drag And Fill -1Stroke Puzzle from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Drag And Fill -1Stroke Puzzle in HappyMod App.