GooFans.com is a community website for World of Goo fans. It is a website for downloading fan-made addins such as levels, mods and tools. The website also has a forum for discussing World of Goo, getting support for the game and developing addins.
The website was created in 2008 by David C. Croft, shortly after the release of World of Goo. The site gained in popularity in the years following its creation, but since 2013 the website's popularity has been declining. As of 2016 the website has declined significantly.