A Boo Boo
Not unlocked yetKnock Abobo into a pit
A Foot Face?
Not unlocked yet
Are You Awake?
Not unlocked yetWin an airlock battle without attacking
Audiophile
Not unlocked yetCollect one of each mix tape song
Bone to Pick
Not unlocked yetHit Skullmageddon with a hair pick
Bro-merang
Not unlocked yetCatch a boomerang thrown by your bro!
Cultured
Not unlocked yetView all pages of the concept art gallery
Double Dragon
Not unlocked yetFinish every stage cooperatively on Double Dragon difficulty with friendly fire enabled!
Fuzzface!!
Not unlocked yetBefriend everyone's most favoritest helpful character!
Gleam On!
Not unlocked yetDodge and get the Gleam 50 times
Grand Slam!
Not unlocked yetDefeat 4 enemies with a single bat swing!
High Fidelity
Not unlocked yetMax out a single song to level 50
Is That a Quarter?
Not unlocked yetKnock Williams into a pit
Jawsome!!!
Not unlocked yetExpose the twin bulbs simultaneously
Later Ro-bros!
Not unlocked yetBeat every level as a Ro-bro
Max Fidelity
Not unlocked yetMax out every song to level 50!!
Metal Head
Not unlocked yetUpgrade a song at the Tapesmith
Misters Perfect
Not unlocked yetComplete any level in co-op without taking any damage... with friendly fire enabled!
Mr. Perfect
Not unlocked yetComplete any level without taking any damage
Pick a Winner!
Not unlocked yetNail all enemies with the hair pick
Put Your Heads Together
Not unlocked yetGrab two enemies at once!
Single Dragon
Not unlocked yetFinish every stage solo on Double Dragon difficulty!
The Key to Victory
Not unlocked yetDefeat an enemy by unlocking his potential
This Channel Sucks
Not unlocked yetBreak all of the Skullmageddon monitors in the Rocket Dojo