BAKUBAKU Dokin / Alien (Prepare to Die edition)
click here to claim your free out of body experience.
This version of the file is unlocked after beating the main difficulty with a score of over 50%. Good luck with it though, there are many parts that are much harder than they look.
The intro in particular flips the arrow locations, then covers up the target arrows and spins them around so you have to remember that it's flipped.
Lots of other subtle nasty tricks are employed to make your experience as out of body as possible.