Happy Blocks is a browser add-on available on Chrome, developed by dayanastasia1. It falls under the category of Browsers, specifically in the SubCategory of Add-ons & Tools. The main objective of Happy Blocks is to drag and drop the green blocks strategically to convert all the yellow blocks into green, offering a vibrant and engaging puzzle experience.

Players are tasked with the challenge of strategically placing the green blocks to transform the yellow ones, testing their problem-solving skills and spatial reasoning. Happy Blocks provides a fun and colorful way to engage with puzzles, suitable for users looking for a casual yet mentally stimulating browser game.