HISA99-

The Rescue Complete 'Blackout' on Veteran difficulty.

Communication Breakdown Clear the airwaves

Gladiator Last man standing

Hunted down Rescued Special Bot trapped in GPU Jungle.

Living Hell Interrogate the Militia APC Driver.

Ghillies In The Mist Complete 'All Ghillied Up' without alerting any enemies.

Cold World Destroy the first weapons cache in Gotham City.

Wrecking Ball Stop the unstoppable

Déjà phew! Rescued Special Bot trapped in SSD Speedway.

Grand tourist Rescued Special Bot trapped in Cooling Springs.

Look Sharp Find 15 enemy intel items.

Riddle Resolver Solve 85% of Riddler challenges

The Search Complete 'Charlie Don't Surf' on Veteran difficulty.

A Battle Within Fight for your sanity.

No escape! Rescued Special Bot trapped in Memory Meadow.

Four The Players Rescued all four Special Bots. Time to go off to a new adventure!

Feel the Heat Kill all 4 tanks on the overpass with the Javelin missile in 'The Bog'.

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

A Daring Devil Put on a show and die trying.

Lost And Found Uncover the secret of Arkham City

Dark Wings Fly Away in Fear What is the Cloudburst?

Sandstorm We are legion

Retro Shooter Complete any level without reloading your weapon (excluding 'The Coup' and 'Aftermath').

With a Vengeance! Take on the heavy artillery reinforcements.

Strange Deadfellows Deploy the Cloudburst countermeasures.

Master Ninja Complete any level using only the knife to kill enemies.

Break the Bank Guess it was time to cash out.

Hide And Seek A deadly game of hide and seek

Bird on the Ground Shoot down an enemy helicopter with an RPG in the single player campaign.

The Escape Complete 'Hunted' and 'Death From Above' on Veteran difficulty.

Creature of the Night Freedom of the city.

The Bog Complete 'The Bog' and 'War Pig' on Veteran difficulty.

Crack The E Nigma Solve every riddle on the island

The First Horseman Complete 'Shock and Awe' on Veteran difficulty.

Plastic Prison Breakers They had no way out.

World's Greatest Detective Spirit of Amadeus Arkham revealed

Desert Storm Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.

Brotherhood of the Fist Return of the Dynamic Duo.

IQ Test Solve the first riddle

Ghost Train Fight for survival

New Squadron Record Complete the cargo ship mockup in less than 19 seconds.

A Heart Broken in Two Secure the secret base.

The Second Horseman Complete 'Safehouse' on Veteran difficulty.

Can't Hide In Campaign, kill an enemy through a wall or obstruction.

Freefall Don't look down

City of Fear Defend the assault on your ally's fortress.

Arkham City Sirens Drop in on an old friend

Exit Stage Right All the world is a stage

Time Paradox Kill Makarov and complete your mission

Faraway Frequencies The truth was out there all along!