List of things that happened in RuneScape in 2004:
- 31 January - RS2 progress report
- 2 February - RuneScape-2 launch plan B
- 1 April - Diango was added as part of an April Fools' joke.
- 15 April - The Underground Pass quest was converted from RuneScape Classic.
- 18 May - The Big Chompy Bird Hunting quest was added.
- 2 June - The first Elemental Workshop quest was released.
- 14 June - Player moderators were added as well as Special Attacks.
- 29 June - Priest In Peril was released.
- 13 July - The Nature Spirit quest was added.
- 14 September - The Tai Bwo Wannai Trio quest was released.
- 20 September - The Regicide quest was released.
- 5 October - Eadgar's Ruse quest was released.
- 18 October - The Shades of Mort'ton quest was released.
- 6 December - The Monkey Madness I and Haunted Mine quests were added.
- 13 December - Castle Wars released.
- 21 December - The Yo-yo was released.
- 21 December - The 2004 Christmas event was released.