Complete the campaign on Hardened or Veteran difficulty.
Rescue the Russian President. Complete "Down the Rabbit Hole" on any difficulty.
Find the girl. Complete "Scorched Earth" on any difficulty.
Discover Makarov's next move. Complete "Stronghold" on any difficulty.
Escape the city. Complete "Blood Brothers" on any difficulty.
Reach the church. Complete "Eye of the Storm" on any difficulty.
Escape Paris with Volk. Complete "Iron Lady" on any difficulty.
Track down Volk. Complete "Bag and Drag" on any difficulty.
Assault the shipping company. Complete "Return to Sender" on any difficulty.
Kill 5 enemies with a single grenade in Single Player or Special Ops.
Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.
Earn 1 star in Special Ops Mission Mode.
Don't look down
All the world is a stage
Answer a ringing phone
Clear the airwaves
Last man standing
Stop the unstoppable
Uncover the secret of Arkham City
We are legion
A deadly game of hide and seek
Fight for survival
Steal the score of a lifetime
Hammer the point home
There is only one way in
Save the medical volunteers
Save the damsel, but is she in distress?
Become the Bat
Drop in on an old friend
Reached level 5.
Blew up the Lambent Leviathan from the bridge.
Defended and escaped from Cougar Stadium.
Found food and ammo in Hanover.
Defended the Raven's Nest from Lambent Leviathan.
Woke up from a bad dream.
Your skill and experience means you're ready for Standard Versus multiplayer.
Discovered the location of Adam Fenix.
Grabbed a Locust Gas Barge to travel to Anvil Gate.
Arrived safely, kinda, at Anvil Gate.
Defended Anvil Gate from the Locust siege.
Defeated the Lambent Berserker.
Drove from Anvil Gate to Mercy.
Found and activated the fuel pump.
Found enough fuel to get to Endeavor naval base.
Launched the sub.
Passed under the Maelstrom and found Azura.
Turned off the Maelstrom device.
Rescued Adam Fenix from captivity.
Killed Myrrah.
Completed all campaign Acts on Casual or Normal Difficulty.