Sesame Street: 1-2-3 is an educational game published by Hi Tech Expressions for the NES, released in 1991, and it is designed to help young children learn numbers and counting skills using the beloved characters from the Sesame Street television show. You play as a character, interacting with familiar Muppets like Big Bird, Elmo, and Cookie Monster, as they guide you through a series of mini-games and activities that teach number recognition, counting, and basic arithmetic. A unique feature is the "educational" focus – the game is designed with a curriculum that progresses from simple number recognition to counting objects and solving simple addition problems, with positive reinforcement and encouragement from the characters. The game includes multiple activities, such as counting objects, matching numbers, and following patterns, each with different difficulty levels to suit the child's progress. The graphics are colorful and detailed, with a friendly and cheerful art style that is inviting and accessible to young children. The music is light and educational, with a cheerful and catchy tune that engages children. Critics appreciated the educational value and the use of beloved characters to make learning fun. It supports one player. Sesame Street: 1-2-3 is a great educational tool for preschoolers.