http://imgur.com/a/qASuh#0 This is an album of 2 OOB glitches so far. seems to happen with slanted geometry close to walls also the inside of my face is creepy, and i can't float . the reverse ground just isn't textured. when you fall OOB you get teleported to the checkpoint you last entered. as far as i could tell their might be some solid ground you may be able to clip to.