First players to reach 99 in each skill:
 Attack | Flundy | July 23, 2017 | See rest |
 Defence | Flundy | July 23, 2017 | See rest |
 Strength | Flundy | July 23, 2017 | See rest |
 Constitution | Flundy | July 23, 2017 | See rest |
 Ranged | Flundy | July 23, 2017 | See rest |
 Prayer | TBD | See rest | |
 Magic | Flundy | July 23, 2017 | See rest |
 Cooking | Flundy | July 23, 2017 | See rest |
 Woodcutting | Flundy | July 23, 2017 | See rest |
 Fletching | Flundy | July 23, 2017 | See rest |
 Fishing | TBD | See rest | |
 Firemaking | Flundy | July 23, 2017 | See rest |
 Crafting | TBD | See rest | |
 Smithing | TBD | See rest | |
 Mining | TBD | See rest | |
 Herblore | TBD | See rest | |
 Agility | Flundy | July 23, 2017 | See rest |
 Thieving | Flundy | July 23, 2017 | See rest |
 Slayer | TBD | See rest | |
 Farming | TBD | See rest | |
 Runecrafting | Flundy | July 23, 2017 | See rest |
 Hunter | TBD | See rest | |
 Construction | TBD | See rest | |
 Summoning | TBD | See rest | |
 Dungeoneering | TBD | 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.