Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
1/6/2010
6:47:38 PM
Common 54.5%
Star Light, Star Bright
Score over 10,000 points while in a single Star Power deployment in Career or Quickplay
12/22/2009
11:59:01 PM
Common 59.5%
Guitar and DJ
Play the Guitar DJ mode with one player as the DJ and the other as the Guitarist.
12/20/2009
5:39:13 PM
Rare 14.4%
Special Effects!
Turn the effects dial during every Effects Zone in any mix at any difficulty (not in the tutorial).
12/15/2009
6:19:31 PM
Common 72.5%
Multiplier Madness
Achieve an 8X multiplier during any mix (not in the tutorial).
12/15/2009
6:18:26 PM
Common 82.8%
Super Performer Bronze
Score over 9000 on 5 different songs on Easy (Unlocks a PlayStation®Home reward)
11/22/2009
1:42:39 AM
Rare 11.1%
