Top Descriptors chaotic Unpredictable map design, often testing unusual skillsets. , gimmick Focused on a single unique design or gameplay idea. , freeform An unrestrained and loose approach towards visual structure. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , linear aim Patterns, usually jumps, that require the player to move continuously in a straight or nearly straight line. , slidershapes Uses a large variety of slider designs. , high contrast Uses flashy ideas to follow changes in the music, creating stark differences between different sections of the song. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , perfect stacks Features perfectly overlapped stacked notes using low stack leniency.