4 How to fix Terraria not starting December 2, 2011 by Matsczon If your terraria dosnt start try validating your game file cache (it worked for me).Right click terraria in steam and choose properties and then game data(i think) then you get a option called "validate game cache".Click it and it should work Read more > 16 Is custom map items legit? October 29, 2011 by Matsczon Read more > Retrieved from "http://terraria.wikia.com/wiki/User_blog:Matsczon" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.