Top Descriptors collab A map with two or more associated mappers. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , gungathon A map with a drain time of over 10 minutes. , megacollab A map with 8 or more associated mappers.