Sunildatt

Worst Nightmare Master the Worst Nightmare Dark Knight track

Merchant of Menace Buy a new weapon

No Stone Unturned Find all ‘secret’ collectibles.

Short, Controlled Bursts Defeat all Xenomorphs in the Sulaco hangar bay without them crossing your barricade

Infinity Circuit Complete Complete the Infinity Circuit in third place or higher in Single Player mode.

I Double Dare Ya Explore the catacombs after dark.

Breaking and Entering Pick 10 locks.

Team Supremacy (Secret) Complete Chapter 4 without failing more than 10 times.

The One That Got Away Complete the Sweet Tooth story on any difficulty.

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)

Collect-a-saurus Collect 15 special bubbles.

Score Monger Complete 30 challenges in one Interval

Devastator Deal 20 combat damage to a player in a single turn in a game

Call 911 Call the LucasArts helpdesk when walking through the jungle on Dinky Island

Convoy Overtake 12 trucks in a row without crashing in a Survival event.

Blitzkrieg Complete the single player campaign in under 12 hours.

Insert Coin Complete all achievements in one game from The Arcade.

Sidecar gold medal Get gold in all the SIDECAR challenges!

King in the North Complete all Final Stand Assignments

Let it Snow Receive the Extreme Environment Suit (XE Suit)

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

As A Scalpel Earn the "Excellent" rating in every performance category on a terror mission.

Five Minutes Later... Allow Guybrush to die.

The Pitcher Complete "The Pitcher" challenge

Tank Sympathizer Destroy both generators on Claustrophobia without killing a Tank.

Guys Night Out Arrive at Final Destination with Only Male Survivors

You are recognized as Rank 8 on the UAA Ranking. Defeated Rank 8: "Shinobu"

Memory Rouser Successfully awakened 20 types of karakuri

Tyrannical Training Completed training with Frieza!

Dungeon Makeover Unlock 50% of Crucible content

Going Down! Destroy the elevator bringing reinforcements in the Istanbul tunnels

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Remember the Fallen Collect all 35 Dog Tags

Once a Parent, Always a Parent Welcome a child into the family.

Safe Crime Finish 5 rounds in a row without getting any penalties in Arcade Mode.

Welcome to The War Play and complete your first Ranked Match in standard Deathmatch mode

Completed stage 1 Place first in all four events in Stage 1.

Wave Runner Beat the Track Best time in a Time Trial on any Piscciss track.

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

Good Samaritan Complete 25 Optional Objectives

A Cornered Rat... Defeat 100 monsters in Skeleton Form

Hero of the Sands Complete the Aladdin world.

Returning to Earth Complete the WALL-E world.

Fearless Overtake 5 trucks in a row during Sudden Death in a Survival event.

G-reader Read one full comic

Scream Train Complete "Scream Train" in Story Mode

Battle of Weathertop Complete the Weathertop level in the single player "Rise of Sauron" Campaign.

Siege of Moria Complete the Mines of Moria level in the single player "Rise of Sauron" Campaign.

The Star of Wraeclast Kill Merveil, the Siren.