Megagame Shared Timetable
https://boundy.me.uk/Games/Megagames/Events – A central repository for most of the Megagames happening in the UK
UK Megagame Groups
https://www.swmegagames.co.uk – Design and run a wide range of Megagames in locations across the South West of England
http://www.megagame-makers.org.uk – Is a loose association of game designers who club together to set up and run Megagames with a focus on history and politics
https://www.horizonmegagames.com – Is a London-based group hosting Megagames across the capital, with a focus on sci-fi, fantasy and horror.
http://www.penninemegagames.co.uk – Run games in the North of England, with themes including historical, science fiction and fantasy to cater to a broad audience
http://crisis-games.co.uk – Run a range of games, from smaller 3-hour games for 15-20 players to full-day Megagames