Via BBPS comes word of a partial achievement list for Guitar Hero 2 on the 360, as well as a picture of a mystery port that raises tantalizing possibilities for the future (which they speculate will be for distortion pedals).

Achievements:

• Eddie Van Halen Award—Get a 500 note streak
• Life of the Party—Bought all characters
• Record Collector—Bought all songs
• Big Spender—Spent $10,000 at store
• Perfectionist—Get 100% on a song
• 200k Club—Get 200,000 points in a song
• Rock Snob Award—Refused to play an encore
• Scoremonger—Got an 8x multiplier
• Expect a healthy amount of multiplayer achievements as well