Top Descriptors collab A map with two or more associated mappers. , megacollab A map with 8 or more associated mappers. , marathon A map with a drain time of over 5 minutes. , gungathon A map with a drain time of over 10 minutes. , lazer only Only allows leaderboard submission on the osu!lazer client. , tech Tests uncommon skills. , complex sv Features large changes in slider velocity. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes.