ROCKALISHUS

Think Fast Kill 30 Necromorphs with Kinesis objects

Bull in a China Shop Cause maximum damage in all Arenas (does not include Practice mode)

Fusion Expert Acquire 50 Modchips via mod fusion

Stick Around Impaled Victor Creed outside the Bar

In Your Element Inflict Elemental Effects on enemies 50 times

Venting Frustration Spend 7 minutes on steam vents

A Terrifying Assassin Turn the tables on Verdugo, the right hand of Salazar.

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

Paradigm of Humanity Reached Level 20 with Neutral Karma

Vault-Tec C.E.O. Collected 20 Vault-Tec Bobbleheads

''Aggressive Negotiations'' Defeat 3 enemies at the same time with an explosion

Shadow of Your Former Self Defeated 5H4D0W-TP.

Almighty Complete a Test Your Might Tower

Forgive Me, Father... Take sanctuary in a monastery to clear Heat Level 5.

Land 5 Island Mega Jumps Awarded when you successfully land your 5th Island Mega Jump

True Marksman Win a match with Green Arrow using only arrows

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Put the Band Back Together Revive all the Heroes of Legend

From Beyond the Stars Collect and return all spaceship parts.

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

“The ‘I’ in Team” – Collector Found all collectable Roses in “The ‘I’ in Team”

Consume This Too Use 10 Skip Challenge Star Consumables

Shut that door (again) Shut two car doors while in cover.

Bat Out of Hell Complete every Batcycle time trial

Driving Club Perform 1000 'NEAR ALLY' actions

The night is dark Kill 12 enemies without getting detected.

Bounty Hunter Get a total of 50,000 BP.

A Mystery, Solved Solve the mystery of Leonora Johnson.

Dang Girl, You Ace At This Game Win the most challenging round in Murderlin's Temple.

Under The Red Hood Shut down this operation.

Drone You Out Defeat 30 Regulator Drone Masters

Master Conductor - Electrocute 3 Helghast Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun

Superstars Superstar - Unlock 'Superstars'

The Hurt Mine Locker Kill 10 monsters with one mine

The Bull You defeated Lawrence Barrett, elite member of a secret mercenary hit squad.

Operation Red Circus Complete Operation Red Circus in Campaign on any difficulty.

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Far From Home Complete the quest "Far From Home"

Lead Foot Win a Race in the Campaign

Out of Their League Defeat 45 League of Shadows Assassins and 30 Rocketeers

At the Summit of Apocrypha Complete "At the Summit of Apocrypha"

Architect Build three wings on a house

Never forgotten Avenge them

Aerial Superiority - Kill 5 Helghast while in the air Killed 5 Helghast while airborne using the Jetpack

''I can fly anything'' Complete a flight level without dying

That Was Nice of You Save Rebecca from a Hunter.

Motherly Ties Put a grieving mother's doubts to rest.

Parole Day GTA Online: You completed The Prison Break as Heist Leader or Crew.

Only a Real Master Beat an opponent while they still have 90% health and you have 10% or less health remaining

Praise the Run Reach full focus and keep it going