<br><table width='100%' cellpadding=3 cellspacing=3 border=0><tr valign='top'><th>Achievement</th><th>How to unlock
</th></tr><tr valign='top'><td>A Boo Boo</td><td>Knock Abobo into a pit.
</td></tr><tr valign='top'><td>A Foot Face?</td><td>Become the hidden idol!
</td></tr><tr valign='top'><td>Are You Awake?</td><td>Win an airlock battle without attacking.
</td></tr><tr valign='top'><td>Audiophile</td><td>Collect one of each mix tape song.
</td></tr><tr valign='top'><td>Bone to Pick</td><td>Hit Skullmageddon with a hair pick.
</td></tr><tr valign='top'><td>Bro-merang</td><td>Catch a boomerang thrown by your bro!
</td></tr><tr valign='top'><td>Cultured</td><td>View all pages of the concept art gallery.
</td></tr><tr valign='top'><td>Double Dragon</td><td>Finish every stage cooperatively on Double Dragon difficulty with friendly fire enabled!
</td></tr><tr valign='top'><td>Fuzzface!!</td><td>Befriend everyone's most favoritest helpful character!
</td></tr><tr valign='top'><td>Gleam On!</td><td>Dodge and get the Gleam 50 times.
</td></tr><tr valign='top'><td>Grand Slam!</td><td>Defeat 4 enemies with a single bat swing!
</td></tr><tr valign='top'><td>High Fidelity</td><td>Max out a single song to level 50.
</td></tr><tr valign='top'><td>Is That a Quarter?</td><td>Knock Williams into a pit.
</td></tr><tr valign='top'><td>Jawsome!!!</td><td>Expose the twin bulbs simultaneously.
</td></tr><tr valign='top'><td>Later Ro-bros!</td><td>Beat every level as a Ro-bro.
</td></tr><tr valign='top'><td>Max Fidelity</td><td>Max out every song to level 50!!
</td></tr><tr valign='top'><td>Metal Head</td><td>Upgrade a song at the Tapesmith.
</td></tr><tr valign='top'><td>Misters Perfect</td><td>Complete any level in co-op without taking any damage... with friendly fire enabled!
</td></tr><tr valign='top'><td>Mr. Perfect</td><td>Complete any level without taking any damage.
</td></tr><tr valign='top'><td>Pick a Winner!</td><td>Nail all enemies with the hair pick.
</td></tr><tr valign='top'><td>Put Your Heads Together</td><td>Grab two enemies at once!
</td></tr><tr valign='top'><td>Single Dragon</td><td>Finish every stage solo on Double Dragon difficulty!
</td></tr><tr valign='top'><td>The Key to Victory</td><td>Defeat an enemy by unlocking his potential.
</td></tr><tr valign='top'><td>This Channel Sucks</td><td>Break all of the Skullmageddon monitors in the Rocket Dojo.
</td></tr><tr valign='top'><td>Tone Deaf</td><td>Complete the game without using any Sosetsitsu!
</td></tr><tr valign='top'><td>Tossin' on Air</td><td>Grab an enemy out of the air 10 times.
</td></tr><tr valign='top'><td>Victory!</td><td>Defeat Skullmageddon!
</td></tr><tr valign='top'><td>Weapon Master</td><td>Use every weapon once.
</td></tr><tr valign='top'><td>You Did What!?</td><td>You got 50000 on Double Dragon!?
</td></tr></table>