This is a great sale as getting cheap stuff in The Sims is rare. You can buy the entire Sims 3 collection pack for only 67 dollars. If you want to get the Sims 3 collection, you will need at least one of the following: Island Paradise, Movie Stuff Into the Future, Generations, Diesel Stuff, Supernatural, Seasons, the ’70s, 80’s & 90’s Stuff, University Life, Town Life Stuff, Pets, Master Suite, Showtime, Katy Perry’s Sweet Treats Stuff.If you want to update the game, you need the original files so that you can update without getting an “Invalid File” error.