Altiyah

Gotham Base Jumper Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Understood the Assignment Complete 9 Mastery Quests

Fight at the Forum Participate in a fight at The Forum arena

Cortex N. Adequate Defeat N. Cortex.

Jumping the Jetboard Unlocked the Secret Exit in Air Crash.

A Cut Above the Rest Discover a Gem Path after earning a Color Gem.

Bell Eat the Bell that appears after eating a set number of Pac-Dots in Round 11 or 12!

Grand Opening Purchase something from Baku the Voiceless in New Game+.

Hang In There, Maybe! Unlocked the Secret Exit in Hangin' Out.

Kung Fu Fighting Inflict a set amount of damage to Wesker in "Lost in Nightmares."

Your Moment of Zen Avoid whatever he's flinging at you.

Key Eat the Key that appears after eating a set number of Pac-Dots after Round 13!

Round 13 Cleared Clear round 13!

Intellectual Rescue the fourth hostage from Riddler

Round 17 Cleared Clear round 17!

Grenadier Kill two enemies with one grenade

The Big Apple Complete "Black Tuesday" and "Hunter Killer" on Veteran difficulty.

Cortex N. Furiated Just "forget" it. Repeatedly.

The Riddle of the Sphynx Have your bazooka ready.

Trigger Clickin' Good Shoot 5 of them in a single level.

Buckle Up, Boys, Buckle Up! Earn 5 Relics.

Way of the Warrior Defeat 150 enemies singlehandedly in one playthrough of "Desperate Escape."

The Great Escape Complete "Desperate Escape" with an S rank.

Let's Get This Party Started! Unlock all selectable characters in Versus.

Sweet Dreams Croft Manor: Finish Lara's Nightmare

Family Jewels Retrieve your stolen goods

True Understanding Complete all Legends Mode stories on a single difficulty.

This Is My Boomstick Kill 30 enemies with the XM25 in "Black Tuesday."

Wish Upon a Star Destroy all 18 of the Score stars found throughout "Lost in Nightmares."

Informant Collect 22 Intel Items.

Drink 'Em Both Up You drank 'em bot' up.

Relic Collector Find a Relic

Danger Close Take down a chopper with an AC-130 smoke grenade in "Bag and Drag."

Birdie Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.

Coastal Thailand Expedition Complete the Coastal Thailand Expedition

No Bear Left Behind Unlocked the Secret Exit in Unbearable.

Ménage à Trois Destroy 3 tanks with a single 105mm shot in "Iron Lady."

Out of the Frying Pan... Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.

Croft Manor Expedition Complete the Croft Manor Expedition

For Whom the Shell Tolls Destroy all targets during the mortar sequence with only 4 shells in "Back on the Grid."

Strike! Kill 5 enemies with a single grenade.

The Flora Flop Unlocked the Secret Exit in Diggin' It.

Flawless Freeflow Fighter 2.0 Complete one combat challenge without taking damage (any character)

The Best of the Best Complete the campaign on Hardened or Veteran difficulty.

What Goes Up... Destroy all the choppers with only the UGV's grenade launcher in "Persona Non Grata."

Kill Box Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."

Skilled Treasure Collector Find 50 Treasures

A Stitch in Time Saves 99 Earn 99 Lives.

99 Percent Perspiration Earn 99 lives.

Leave No Gem Unturned Earn 21 Gems.