Have you ever thought about building a brand new planetary civilization in the world of gaming? Since the 2017 GaGa Universe Republic, iSTART has been paying special attention to the “metaverse” constructed by different groups of children. They will have unique insights into the real world and create new civilizations and nations through their imagination. However, due to the limited presentation of text and painting, we can only speculate about their world in two-dimensional space. In the 2021 “Game School”, we collaborated with the Roblox platform to welcome the return of the “Republic of GAGA Universe” project in the 3D digital world. We also helped children from different schools to achieve several parallel game worlds through the game platform, establish their own virtual kingdoms, and allow more people to directly enter the children’s fantasy country through game characters on site and online to adventure, To feel the depth of their imagination. As citizens of the digital world, programming is no longer the exclusive skill of programmers. More and more people are using graphical programming tools to explore and change their lives. In the world co creation community, children also use programming to create their own games. Here, we will enter the programming game Time Machine together, go back to the past, and see what the earliest programming games were like; We will also experience programming games independently created by children together, and learn about the game creation stories of the creators. Of course, creating a fun and interesting programming game is not that simple! In the game incubator, we will reveal the creative process of programming games for you, taking you to deeply experience the birth and iteration of games from 0 to 1.