The 3.6Rank ranks the top 50 Project M 3.6 players of all time from 3.6's initial launch in 2015 to the last major tournament that utilized 3.6, Smash 'N' Splash 5, which took place in 2019. It was announced in a series of Smashboards articles, published from February 17th, 2020 to April 2nd, 2020. The rankings were compiled through the collaboration of Sabre, Pikmon, and Serbian Film.
Tournament data was collected from the time period between Paragon Los Angeles 2015 on to Smash 'N' Splash 5, resulting in a total of 81 utilized tournaments. Players eligible for this ranking were any players that had ever been ranked on any iteration of PMRank. Players who attended a total of less than 5 events or who were only ever ranked once in the 41-50 range (barring one notable exemption) were not considered for the rankings.