Seeed Studio GameGo – Handheld Console is designed for STEM educators and developers to create retro games. This console is based on the STM32F401RET6 Arm® Cortex® M4 chip and fully supports Microsoft MakeCode, both for block programming and JavaScript. The GameGo provides 10 lessons online course that helps to learn the basics of making retro games. The course offers a large number of game examples to understand the concepts and principles through improvement and optimization.