Algebrain

In a Top 10, maybe # 9... Beat the Fifth Boss

Overprotective Have 20 cells at one time on the Metal-Beam shield.

Highly Decorated Achieve all Daily Tidy badge ranks
4/100

Bigger than magic Finish trial #21 without using any magic.

Research and Development Upgrade the Rarity of one common vehicle of the HOT WHEELS™ - Batman Expansion.

Birdie Using ONLY the golf club, putt the ball in 3 strokes or less

Right on Cue Prove that you know your way around the microphone. Don't miss a beat in any stage on Normal difficulty.

Teabag a D-Bag Taunt a dead opponent with Quagmire in Multiplayer

Wrecking Crew Destroy the statue with the bulldozer

Love Is All You Need Play through a campaign without using any gems.

Boar Bather Rode a Razorfire Boar into the Sea of Black Tears and lived to tell the tale.

The Green Seas Make at least 4 enemies Vomit with no more than 1 second in between each.

Exposed Remove all of King Cepheus's shields.

Bogey (1 Over Par) Take the alternate route above the cave

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Wrong Turn Complete “Forest”

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Perfect Date Finish a level without taking damage.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

The Spice of Life Use three different types of Yamato weapons in a boss fight.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Entrapment Kill 20 enemies with security guns in a single level.

All Creatures Great and Small Rescue every captured friend.

SPF 1000 Deliver the final blow to Orion using a solar flare.

Mode master Win an online game of every mode in every difficulty at least once.

Underwater Expedition Defeat Cetus while its head is underwater.

That Party was Ace Ace every Adventure level in The Journey Home.

Like a glove… Finish trial #6 with 3 hearts left without picking up a spell.

Loyal Customer Purchased all upgrades in the Motor Forge

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

Save some room Finish trial #20 one unit below the zapper.

They died for a cause Kill every Disruptor in a single world

Think fast! Finish trial #8 with at least 52 seconds left on the clock.

The Cat's Pajamas Collect all Trophies for A Little to the Left

Token of Affection Earn one of each type of ship badge.

Quill Tosser Killed a Tollusk using only Ground Urchins.

Tip-Top Ten Pin Complete all 4 bowling lanes

Voices From Beyond Unlock all songs in the Mouth of Metal

Catalog Conqueror STU: Complete all nekomata jobs in "The Spider's Thread" mode.

Burnt offerings Complete Fire Caverns in arcade mode on any difficulty

Sack the Postman Post all 6 invitations for the party.

Tourist Viewed all vistas

Climbing the Ladder Reach level 5 in a career.

Relics of the Old Faith Collect all Relics.

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

I Double Dare Ya Explore the catacombs after dark.

Peak Performer Win three games as the Mountaineer character

After Hours Complete the first half of “Factory” without turning any lights on

Amped! Attach all electrical cables in 35 seconds or less in "Thermal"