The following is a list of updates and events that happened in RuneScape in 2003. Note: Titles in bold indicate a game update.
- 30th - Trade scam warning
- 23rd - New RS1 game worlds online
- 22nd - Christmas Drop
- 18th - RS2 Additions and Improvements
- 15th - RS2 Map Expansion
- 14th - RS2 bugfixes - part 5
- 9th - RS2 bugfixes - part 4
- 9th - Security tips updated
- 8th - RuneScape2 Servers Trimmed
- 7th - Pop up advert problem (fixed)
- 5th - RS2 bugfixes - part 3
- 3rd - RS2 bugfixes - part 2
- 2nd - RS2 Bugs fixed today
- 2nd - RuneScape 2 FAQ Updated
- 1st - RuneScape 2 Beta is Here!
- 1st - Runescape2 Servers
- 24th - RS2 Combat system explained
- 24th - Varrock Library updated
- 21st - Hiscores Reborn!
- 17th - Fake moderator emails
- 12th - Forum Updates
- 11th - Forum Beta Launched!
- 8th - Item bug fix (updated)
- 7th - Duplicated items in game
- 6th - New subscriptions - now fixed
- 4th - Credit Card Payments
- 2nd - More Scythes dropping today
- 2nd - RS2 is still on schedule
- 31st - Halloween Drop
- 29th - Library Updates
- 25th - Fake email warning!
- 16th - Library of Varrock expands
- 11th - Essential maintenance
- 1st - RS2 beta - date decided!
- 30th - Letters 16
- 22nd - Mage Arena
- 9th - Easy Payment Options
- 9th - Real World Trading Rule Added
- 8th - Paymate Payment Option
- 8th - Toronto Game Worlds Live
- 29th - Letters 15 - Zamorak responds
- 25th - New Engine Screenshots 3
- 25th - SF servers back online
- 25th - Singapore server relocated
- 20th - New - Legends Quest!
- 20th - New Look Website!
- 20th - San Francisco Servers
- 5th - Letters 14
- 28th - Chat filter problems fixed
- 28th - New Members Quest Online
- 28th - Trawler mini game
- 22nd - New Engine Screenshots 2
- 21st - New Payment Options 2
- 21st - Warning to fan site users
- 10th - Digsite quest fixed
- 9th - New Digsite Quest!
- 1st - Guthix is here to stay!
- 24th - WARNING: Fake 3d beta
- 20th - Democracy is a beautiful thing
- 16th - New RS Engine Progress
- 9th - New Murder Mystery Quest!
- 29th - A few fixes and tweaks
- 29th - New server for Australasia
- 27th - New Dwarf Cannon Quest
- 27th - Sleeping bags and pickaxes
- 26th - Screenshots of the new engine!
- 22nd - Letters 11 Now Online
- 22nd - Website Reshuffle
- 20th - Secure Server Maintenance
- 7th - New - Watch Tower Quest!
- 7th - Quadruple Bank Space!
- 24th - New York Server Moved
- 23rd - Bang! I win! Jagex team photo
- 23rd - Bestiary Expands!
- 20th - Happy Easter
- 15th - Read if the update doesnt work
- 14th - Letters 10 online
- 14th - New Throwing Weapons!
- 24th - Performance Improvements
- 21st - New Members Info Pages
- 18th - Buying/selling reminder
- 18th - New Payment Options
- 17th - Observatory Quest online!
- 6th - New Secure Message Centre!
- 4th - RuneScape map updated
- 3rd - New Quest Online - Part Three
- 27th - 1 year of RuneScape Members
- 26th - Manual Makeover
- 24th - Extended Quest continues!
- 21st - Library of Varrock Opens
- 17th - And another thing...
- 17th - Never give out your password!
- 13th - The biggest update ever...
- 12th - New kids on the block
- 10th - Dr. Evil I presume...
- 7th - Parlez-vous Runescape?
- 6th - Learning can be fun...
- 4th - Attention all budding scribes!
- 3rd - Apologies
- 3rd - Very Important
- 31st - We just keep getting bigger!
- 30th - Bandwidth tripled!
- 30th - Letters 9 online
- 29th - In low HP, and in health
- 29th - Runescape romance turns real
- 28th - Dangerous Agility
- 28th - Gnomeball
- 28th - Report Abuse
- 27th - Shilo Village Quest online
- 24th - New Quest coming!
- 24th - Newsletters
- 23rd - Wedding bells at Jagex!
- 21st - Credit card fraud warning
- 21st - New News Section
- 11th - New website