Geometry Dash developer RobTop Games has confirmed multiple times: . The hitbox is a fixed 30x30 square (in game units) regardless of the visual sprite. The flames, fins, and spikes you see on custom icons are purely cosmetic.
Design: [Designer Name] Engineering Liaison: [Engineer Name] Icon Library Repo: /path/to/repo gd ship icons work
This is where RobTop Games works magic. The actual collision hitbox for every ship is a simple rectangle. It never changes. Geometry Dash developer RobTop Games has confirmed multiple
: Creators use software like Photoshop to draft icons by warping existing textures or drawing from memory to create new themes, such as "hyper-realistic" or "factory aesthetic" ships. : Creators use software like Photoshop to draft
: All ship icons share the same hitbox, meaning your choice of icon won't make it easier or harder to squeeze through tight gaps.
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