Geometry Dash Subzero belongs to the larger Geometry Dash universe but is completely free and separate from the main game. RobTop Games released it as a teaser and tech showcase for new features planned in Geometry Dash 2.2, including updated graphics and camera movement. Subzero offered fans a taste of what was to come, introducing moving backgrounds and new obstacle types. It also helped new players experience the core mechanics without needing to buy the full game. In many ways, Subzero serves as both a demo and a standalone challenge.