Game Builder Garage is one of Nintendo’s most innovative releases for the Switch. Released in June 2021, it allows users to learn game design through a visual, node-based programming language called "Nodon." For the homebrew and backup community, understanding how to manage Game Builder Garage’s game files (NSPs), updates, and ROM structures has become a niche but essential topic.
If you are looking for actual information regarding the game itself: : June 11, 2021.
Even years after its initial 2021 release, Nintendo continues to refine the stability of the game.
Released in June 2025, the update (often associated with on updated systems) optimized the game for Nintendo's next-generation hardware.