A relaxing puzzle game where you strategically place blocks to make all numbers on the board equal zero. Enjoy a no-pressure experience with calming audio and no in-app purchases or ads.




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Whether you want more options like ColourCode Lite or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.




A relaxing puzzle game where you strategically place blocks to make all numbers on the board equal zero. Enjoy a no-pressure experience with calming audio and no in-app purchases or ads.









Engage in a fun game designed to enhance cognitive flexibility by applying changing rules to feed aliens. This experience is built on research into executive functions, aiming to improve skills crucial for academic success.