Rock Band 2
Rock Band 2 has been played by members of XboxTweet. They unlocked these achievements (secret ones not listed):
- Along for the Ride
Beat an instrument-specific challenge while playing another instrument 
- AN-I-MAL!!!
Beat the Impossible Drum Challenge 
- Band Savior
Be a savior three times during a single song 
- Beat It!
Complete all beats at 60 BPM or higher or half of the beats at 140 BPM or higher 
- Challenge Master
Complete 25 Challenges on Hard Difficulty or 10 Challenges on Expert Difficulty 
- Challenge Novice
Complete either 25 challenges on Medium, 10 challenges on Hard, or 5 challenges on Expert 
- Challenge Savant
Complete 25 Challenges on Expert Difficulty 
- Clothes to the Edge
Bought over $100,000 worth of items from the Rock Shop 
- Comeback Kid
Defeat the last player that defeated you over Xbox LIVE in either Score Duel or Tug of War. 
- East Coast Performer
Play a set on the East Coast of North America 
- Eastern European Performer
Play a set in Eastern Europe 
- Fill Legend
Complete all fills at 100 BPM or higher or half of the fills at 180 BPM or higher 
- Fill Me In
Complete all fills at 60 BPM or higher or half of the fills at 140 BPM or higher 
- Flawless Drumming
Score 100% notes hit as a drummer on Expert 
- Flawless Fretwork
Score 100% notes hit as a guitarist on Expert 
- Flawless Groove
Score 100% notes hit as bassist, up-strums only, on Expert 
- Flawless Guitar Solo
100% a guitar solo on Expert, using only the solo buttons 
- Flawless Singing
Score a 100% rating as a vocalist on Expert 
- God Save the Band
Play a set in the United Kingdom 
- Gold Artist
Finished the Endless Setlist 2 in World Tour on Hard 
- Got Wheels
Won a Van in World Tour 
- Groove Assassin
Beat the Impossible Bass Challenge 
- Heartland Performer
Play a set in Middle America 
- Hello Cleveland!
Deploy Vocal Overdrive 4 times in a single song 
- Jet Setter
Win a Jet in World Tour 
- Lord of the Strings
Beat the Impossible Guitar Challenge 
- Million Point Club
Earn more than 1,000,000 points in a single song. 
- Needs more Umlauts!
Make a band logo 
- One Million Fans
Reach 1 million fans in World Tour 
- Open Road
Win a Bus in World Tour 
- Overdrive Overdose
Achieve an 8x Band Multiplier 
- Platinum Artist
Finished the Endless Setlist 2 in World Tour on Expert 
- Road Dog
Played in every venue in the world 
- Rock Immortal Inductee
Joined the Rolling Stone Rock Immortals list 
- Secret Achievement
Continue playing to unlock this secret achievement. 
- Solid Gold, Baby!
Gold Star a song 
- Stage Igniters
Beat the Impossible Band Challenge 
- The Bachman-Turner Award
Maintained deployed Overdrive for 90 seconds 
- The Beat Goes On
Complete all beats at 100 BPM or higher or half of the beats at 180 BPM or higher 
- The Final Countdown
Unlock an Impossible Challenge 
- The San Dimas 4th Annual Award
Compete in a Battle of the Bands event 
- Victory!
Defeat a player in either Score Duel or Tug of War. 
- Vinyl Artist
Finished the Endless Setlist 2 in World Tour on Medium 
- Virtuoso
Beat the Impossible Vocal Challenge 
- West Coast Performer
Played a set on the West Coast of North America 
- Western Europe Performer
Play a set in Western Europe. 
- Worldwide Sensation
Gain access to every venue in the world 
- You Killed the Radio Star
Make a music video in World Tour 
- You're Hired!
Hired a staff member
