Speculation/Rumors Rumor: Confirmation of a 9th Expansion? By SimsVIP - August 20, 2012 117 1,513 Share on Facebook Tweet on Twitter Katelyn Mueller – Sound Designer of The Sims series – has posted a TBA project for 2013. Could this unannounced project be Expansion #9? A spin off? Only time will tell. Thanks to the lovely Rincon Del Simmer for the info.