1. Is Doom 3 any good?
Depends on what you want,IMO it gets boring a after a while
2. Does it have the atmosphere of the original?
No,they tried to make a horror
Painkiller is closer to the originals,tho
3. What's it like on Xbox?
No clue,only own the PC version
4. Any other comments.
Nice game,but Painkiller remains my favourite no-thinking shooter
Also note that the PC version just got an add-on