Gaming Using my HDD on another 360

[R2DJ]

A certain level in The Simpsons Game is really hard for me to beat myself so I figured that I can finish it with a help of a mate so I'm bringing the game to my friend's house. So I'm bringing the game and my HDD to play my save file. My questions are:

1) I will use my 360 hard drive on their 360. Will I be able to use my account on there?
2) Will my achievements still be intact? Also, if I ever get new achievements, will I still have it when I play the HDD on my own 360?
3) Do I need to go on Live to save the achievements or will they be stored on the HDD?

Their 360 doesn't have a Live connection because they don't have Internet.

Thanks for the help in advance.

 

[jaxxster]

As long as your profile is on that hdd, then all achievements will be saved to that profile.

You dont need to go on live to get achievements. They'll be updated on live when u sign in.

 

[sgand]

Will just be missing the date acquired.