Players click to move blocks on top of test tubes and sort them by color, making each tube contain only one color. The core is to plan move order and use empty tubes for transfers, testing logical planning and step deduction skills.
Updated on
Jul 28, 2026
Casual
Data safety
arrow_forward
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.