This is a speed hack for MU Online.
Instructions:
1. Make a back up of your original Player.bmd (in \data\player)
2. Replace it, then log into MU Online but stop at the character selection screen
3. Minimize MU (if you have a minimizer)
4. Replace the hacked player.bmd with the original player.bmd
5. Go back, select char, log in and enjoy :)
Note: You must be outside of the city when you log in in order to make this hack work.
P.S.: If you don't have a Minimizer, your hacking can be detected. If the server is lame, it doesn't matter if you have the hacked or the non-hacked version in your data folder.
These cracks let you edit 'n' test maps without owning a vaild SC2 License. (The download included is just the cracks; you need to download the game itself on your own. Borrow a CD, Google it; it's pretty easy to find.)