"Build 11052017" could refer to a specific development version or a student's project created on November 5, 2017, as the Blockly code is open-source and widely used for custom projects. 3. Modern " Blockle " (Wordle x Tetris)

If the "Build" part of your request refers to creating games, you may be thinking of Bloxels . Blockly Games download | SourceForge.net Blockly Games download | SourceForge.net. SourceForge Offline · maribethb/blockly-games Wiki - GitHub

In May 2017, a physics-based puzzle game called Blockle was released on platforms like Steam.

It is played directly in the browser on desktop or mobile, requiring no download.

Players fit Tetris-like pieces into a grid to spell out horizontal words. 4. Bloxels (Build Your Own Game)