Games for tomorrow's programmers. Block-based programming lessons for beginners.

Build with Blockly An open-source, flexible library for developers to build visual programming editors with drag-and-drop blocks - powering the world’s most popular block-based coding platforms.

Blockly, Google’s open source library for drag-and-drop programming, is moving to the stewardship of the Raspberry Pi Foundation on November 10, 2025.

Blocks JavaScript Python PHP Lua Dart XML JSON Logic

Maze is an introduction to loops and conditionals. It starts simply, but every level is more challenging than the last.

Welcome to Blockly Code Blockly Code is a simple to use code editor & hosting service. Plus, we have blocks to help you learn coding & make development easier More Info See Examples Try for Free!

Blockly is a client-side library for the programming language JavaScript for creating block-based visual programming languages (VPLs) and editors. A project of Google, it is free and open-source software …

Master coding with Blockly Games - free interactive block programming games teaching loops, sequences, and logic. Perfect for kids and beginners learning to code.

4. Add Blockly libraries Add the script tag Default imports Alternate imports You can also define your imports more carefully to get different generators and locales.

Games for tomorrow's programmers. Want to start over? Clear data