How does the stealth part look, does rambo have a lot of different stealth kills? 

1. Call Of Cthulhu: Dark Corners Of The Earth(XBOX)

2. Condemned 1(XBOX 360)

3. Fatal Frame/Project Zero 1(XBOX)

4. Silent Hill 1(PS1)

5. Resident Evil (Part 1 and 4/Gamecube)

6. F.E.A.R.(PC)

7. Doom 3(PC)

8. Parasite Eve(PS1)

9. The Thing(XBOX)

10. Alien VS Predator(PC)

Yes, I'm sure, a friend of mine did the same as you, removed his hardrive from the 360 when his console had to be repaired, when he got it back and put in the harddrive again everything was intact, all his savegames and downloaded content.