First players to reach 99 in each skill:
 Attack |  E | February 24, 2011 | See rest |
 Defence | E | February 25, 2008 | See rest |
 Strength | E | February 24, 2011 | See rest |
 Constitution | E | March 28, 2008 | See rest |
 Ranged | E | February 25, 2008 | See rest |
 Prayer | E | March 28, 2011 | See rest |
 Magic | E | June 14, 2010 | See rest |
 Cooking | E | November 22, 2011 | See rest |
 Woodcutting | E | October 14, 2010 | See rest |
 Fletching | E | December 24, 2011 | See rest |
 Fishing | E | November 14, 2012 | See rest |
 Firemaking | E | February 25, 2008 | See rest |
 Crafting | E | June 6, 2011 | See rest |
 Smithing | E | December 11, 2011 | See rest |
 Mining | E | May 19, 2012 | See rest |
 Herblore | E | May 16, 2011 | See rest |
 Agility | E | February 6, 2013 | See rest |
 Thieving | E | April 5, 2012 | See rest |
 Slayer | E | August 4, 2011 | See rest |
 Farming | E | February 25, 2008 | See rest |
 Runecrafting | E | March 30, 2011 | See rest |
 Hunter | E | February 15, 2013 | See rest |
 Construction | E | December 20, 2011 | See rest |
 Summoning | E | May 20, 2012 | See rest |
 Dungeoneering | E | June 6, 2011 | See rest |
 Divination | E | November 19, 2013 | See rest |
 Invention | E | February 4, 2016 | See rest |
 Archaeology | TBD | See rest |
* Keep in mind that data before 2007 is missing, so some achievements may be inaccurate.