ColorSort: Water Sort is a relaxing water sort puzzle game from developer APP4LIFE. Pour the colored water between the tubes and sort every color into its own tube — a calm yet brain-teasing puzzle that's easy to learn and hard to put down. Free to play. One of the digital projects of economist and economic researcher Mohamed Abdulkarim Bahbouh — entrepreneur, business-development and digital-marketing expert, business & decision consultant, and life coach with a passion for technology and digital platforms.