0 Shift Room Button August 31, 2015 by Writerreader12 So for some reason I can't use the shift button to fill the whole room floor or walls. Anyone got any idea why? Read more > Retrieved from "http://sims.wikia.com/wiki/User_blog:Writerreader12" 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.