First players to reach 99 in each skill:
 Attack | S Spirit | November 3, 2007 | See rest |
 Defence | S Spirit | November 3, 2007 | See rest |
 Strength | S Spirit | November 3, 2007 | See rest |
 Constitution | S Spirit | November 3, 2007 | See rest |
 Ranged | S Spirit | September 8, 2008 | See rest |
 Prayer | S Spirit | December 13, 2007 | See rest |
 Magic | S Spirit | November 3, 2007 | See rest |
 Cooking | S Spirit | March 22, 2009 | See rest |
 Woodcutting | S Spirit | October 31, 2011 | See rest |
 Fletching | S Spirit | November 3, 2007 | See rest |
 Fishing | S Spirit | December 29, 2012 | See rest |
 Firemaking | S Spirit | August 31, 2011 | See rest |
 Crafting | S Spirit | August 19, 2011 | See rest |
 Smithing | S Spirit | August 14, 2008 | See rest |
 Mining | S Spirit | February 14, 2013 | See rest |
 Herblore | S Spirit | May 11, 2011 | See rest |
 Agility | TBD | See rest | |
 Thieving | S Spirit | April 24, 2013 | See rest |
 Slayer | S Spirit | February 14, 2013 | See rest |
 Farming | S Spirit | March 20, 2012 | See rest |
 Runecrafting | S Spirit | May 10, 2012 | See rest |
 Hunter | TBD | See rest | |
 Construction | S Spirit | March 20, 2012 | See rest |
 Summoning | S Spirit | September 12, 2010 | See rest |
 Dungeoneering | S Spirit | February 22, 2011 | See rest |
 Divination | TBD | See rest | |
 Invention | TBD | See rest | |
 Archaeology | TBD | See rest |
* Keep in mind that data before 2007 is missing, so some achievements may be inaccurate.