Top Descriptors precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , collab A map with two or more associated mappers. , custom song Maps a song made specifically for the map. This includes songs created for a mapping contest which the map participated in. , marathon A map with a drain time of over 5 minutes. , megacollab A map with 8 or more associated mappers.