As of August 2021, the RuneScape series holds 9 Guinness World Records with 8 applying to RuneScape and 1 applying to Old School RuneScape. These records in order from oldest to newest include:
• Most bots banned in a week with 7.7 million bots (as of October 30th, 2011)
• Most fish in a video game with over 8 billion fish (as of July 21st, 2012)
• First MMO videogame to release an "old school" version with Old School RuneScape releasing on February 15th, 2013 (as of February 22nd, 2013)
• Most video game-related forum posts per day with an average of 27,000 posts every day on the official RuneScape forum (as of June 19th, 2013)
• Most complex HTML 5 code in a video game made up of 152,472 lines of HTML 5 code and a further 421,196 lines of client-side scripting (as of June 19th, 2013)
• Greatest aggregate time playing an MMO or MMORPG video game (all players) with over 443 billion minutes (as of July 27th, 2013)
• Most users of an MMO video game with 254,994,744 player accounts (as of July 25th, 2017)
• Most prolifically updated MMORPG video game with 1,014 updates (as of July 25th, 2017)
• Most original pieces of music in a video game (including expansions) with 1,198 pieces of music (as of July 25th, 2017)