Fill the blocks in one line
A simple, but challenging puzzle for your brain! Fill in all of the blocks in one line. Drag or tap on the blocks to fill them.
Use hints to help you when you're stumped.
Need help? Use our One Line 3D Walkthrough page or sign up and make your contribution today.
What's new in version 1.05
Level bug fixes
About One Line 3D
One Line 3D is a free-to-play, puzzle and board game developed by AppTout, and is available for download on both iOS and Android devices. The app is compatible with iOS 9.0 or later on the following devices: iPhone 11 Pro, X, Xs, SE, iPhone 8, 7, 6, iPad Pro and iPad Mini.
Click the button or scan the QR code below to download One Line 3D for iOS. Check out our downloads section to download One Line 3D for android and other platforms.
App Rating & Updates
One Line 3D Add-Ons
The app is free but you can buy extra add-ons via in-app purchases.