Top Descriptors slider only Restricts object choice to sliders only. , gimmick Focused on a single unique design or gameplay idea. , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , low sv Features prominent low sv usage as a key part of map design.