Play all four multiplayer zones.

Destroy 1,000 bad guys

Defeat Blarg Station Alien Queen using only the wrench!

Dealt 10,000 points of damage.

Checked out the stat-boosting hot spring for the first time.

Destroy 5 enemies at once using a Boomer

There is only one way in

Find someone to play remote Batarang catch with

Become the Bat

Activated a Triple Counter Stop.

Performed a Blast Off attack.

Won a G-Castle battle.

You started the game. Great work!