- 2 January: Behind The Scenes - January
- 4 January: A Very Barrows New Year!
- 11 January: The Firemaker's Curse
- 16 January: Hati and Sköll - Hati returned with Sköll, with new rewards of Sköll boots and the Hati cloak. The XP Counter was updated as well.
- 31 January: Troll Warzone
- 1 February:
- 7 February: Potion Flasks
- 14 February: TzHaar Quest, Minigame and Graphical Rework
- 21 February: Dominion Tower Boss - Sunfreet
- 28 February: Squeal of Fortune
- 1 March: Behind the Scenes - March
- 6 March: Player Armour, Gnomes and Clan Fealty
- 13 March: Loyalty Additions and the Lodestone Network
- 16 March: Bonus XP Weekend
- 20 March: Bakriminel Bolts
- 27 March: Morytania Tasks
- 1 April:
- 2 April:
- 10 April: Website Maintenace
- 11 April: Dungeoneering and Shop Improvements
- 30 April: The Runespan
- 1 May: Behind the Scenes - May
- 3 May: Performance Improvement Update
- 10 May:
- 17 May:
- 18 May:
- 22 May: Song from the Depths
- 28 May: Squeal of Fortune: Win More, Win Big!
- 29 May: Queen Black Dragon, Diamond Jubilee and Clue Fest
- 6 June: Fish Flingers Improvements
- 11 June: Planned Maintenance
- 19 June:
- 26 June: Evolution of Combat Beta – Live!
- 1 July: Adventurer's XP Aplenty!
- 2 July: Carnillean Rising released
- 11 July: Gielinor Games Preparation began
- 17 July:
- 19 July: RuneScape reaches 200,000,000 accounts
- 24 July: Ready, Set, Go for the Gielinor Games
- 2 August: More items have been added to the Squeal of Fortune, relating to summer
- 7 August: Some Like it Cold
- 14 August: Clan Avatars were released
- 17 August: The Combat beta has received major changes
- 20 August: A new convert option has been made in the Squeal of Fortune, letting you convert your prize into money
- 24 August: More summer items have been released into the Squeal of Fortune
- 1 September: Behind the Scenes - September
- 5 September: God Wars: Remastered
- 26 September: Botany Bay
- 11 October:
- 12 October: Squeal of Fortune: Training Material Packs
- 17 October: What's Mine is Yours is released
- 18 October: Double Cash this Weekend on Squeal of Fortune!
- 24 October: The 2012 Hallowe'en event is released
- 2 November: Combat Beta, Combat Academy & XP Reward: Open to All
- 6 November:
- 7 November:
- 13 November: Dungeoneering XP & Gravestones
- 14 November: Squeal of Fortune: Prize Refresh & Prismatic Pendants
- 15 November:
- 16 November:
- 17 November: Evolution of Combat: Economic Impact
- 20 November: Evolution of Combat: Now Live!
- 21 November: RuneScape Membership Now Available through RewardsPay!
- 22 November: Brutal Weapons & Triple XP Defensive Lamps
- 23 November: EoC Beta: Mad Scientist Outfit & Survey XP Reward
- 28 November:
- 29 November: Free Festive Aura for All Members
- 30 November:
- 4 December:
- 7 December:
- 10 December: One Million Likes - Book of Faces Now Unlocked!
- 11 December:
- 13 December: Recruit a Friend for Free Membership and XP!
- 14 December:
- 19 December