Grab your flux capacitors and get the 1.21 gigawatt batteries, folks! It seems that by manipulating the very fabric of the space/time continuum, you can unlock all the character classes in the Too Human demo. Joystiq has the details, but the basic idea is simple. The demo was timed to unlock classes on certain dates. The berserker class unlocked last Friday, and after repeated time-hops into the near future, it has been determined that the Commando will join the action on August 12. If your Delorean is out of power, and no steam trains are nearby, you could always cheat and set your system clock ahead a year, if you prefer. The Defender and Bioengineer remain locked even after these temporal somersaults, but they too can be unlocked. Read on for the details...