Oh, that wacky Xbox Live Marketplace. So unpredictable. A TimeShift demo mysteriously sneaked its way onto XBLM last night, unbeknownst to unsuspecting gamers. TimeShift, if you don't know, is an FPS that makes novel use of time control powers. Developed by Saber Interactive and published by Sierra, we were fairly impressed with what we played at E3 last month. Give it a go and see what its shifty gameplay does for you. If you like it, you can pick up the full game on October 30th.