Live for speed S1 is the first non-demo release of S1, it includes 4 more cars, and more tracks. Also more features. The S1 download acts as the demo version, with only 3 cars and 1 track with 3 variations, until you order the game through the www.liveforspeed.com website and request a key. Two more releases (S2 and S3) are to be planned for Live For Speed, depending on the sucess of S1.