I was browsing around and I found a link to this video, showing a guy that already had all 1000 on ODST.


http://www.xbox360achievements.org/news/news-3029-Rumour--Halo-3--ODST-Achievements-Leaked?.html


From the comments that I read, some believe they are real, while others don't think they are.

Looks convincing to me.

Thoughts?