First players to reach 99 in each skill:
 Attack | TBD | See rest | |
 Defence | TBD | See rest | |
 Strength | TBD | See rest | |
 Constitution | Implication | August 8, 2016 | See rest |
 Ranged | Implication | April 11, 2016 | See rest |
 Prayer | TBD | See rest | |
 Magic | TBD | See rest | |
 Cooking | Implication | September 7, 2016 | See rest |
 Woodcutting | Implication | July 9, 2016 | See rest |
 Fletching | TBD | See rest | |
 Fishing | Implication | June 10, 2016 | See rest |
 Firemaking | Implication | July 9, 2016 | See rest |
 Crafting | Implication | August 8, 2016 | See rest |
 Smithing | Implication | October 8, 2016 | See rest |
 Mining | Implication | August 8, 2016 | See rest |
 Herblore | TBD | See rest | |
 Agility | TBD | See rest | |
 Thieving | TBD | See rest | |
 Slayer | Implication | September 7, 2016 | See rest |
 Farming | TBD | See rest | |
 Runecrafting | Implication | December 11, 2016 | See rest |
 Hunter | TBD | See rest | |
 Construction | TBD | See rest | |
 Summoning | TBD | See rest | |
 Dungeoneering | TBD | See rest | |
 Divination | Implication | October 31, 2016 | See rest |
 Invention | Implication | June 10, 2016 | See rest |
 Archaeology | TBD | See rest |
* Keep in mind that data before 2007 is missing, so some achievements may be inaccurate.