Unlocked an achievement for earning a 500-note streak.

Unlocked the hidden character Tengu.

Completed Co-op as the lead guitarist.

Completed all of the Time Attack Mode single battles within 5 minutes. Won 20 tag battles in Survival Mode.

Unlocked the achievement "Along for the Ride," for beating an instrument-specific challenge while playing another instrument.

Completed all Time Attack Mode single battles within 4 minutes 30 seconds. Won 20 single battles in Survival Mode.

Cleared Round 21.

Completed Story Mode with all characters. Unlocked the hidden character SPARTAN-458. Reached 10 hours of play time.

Unlocked the achievement "Jump Shot," for getting a headshot on a Hunter while he was leaping.

Unlocked the hidden characters Leon and Helena. Completed all Time Attack Mode single battles within 6 minutes.

Unlocked two achievements.

Completed all Paper Route missions.

Unlocked three achievements.

Unlocked two achievements.

Unlocked the achievement "Band on a Mission," for completing a majority of the gigs.

Completed Chapter 1.

Unlocked the achievement "Motorcity Madman," for playing as Ted Nugent.

Survived the Death Toll campaign and unlocked the achievement "No-one Left Behind," for beating a campaign with all four Survivors.

Unlocked an achievement for completing a four-player game on Xbox Live.

Unlocked two achievements.

Unlocked the "Tankbusters" achievement.

Unlocked the achievement "Overdrive Overdose," for achieving an 8x band multiplier.

Ranked 1st in lost area.