BigBoss-TheFirst

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

No More Strangers You've met all the random characters.

Stuntman Jump across the gap using the tow truck.

Big Fat Party Animal Killed 50 enemies using the Hartmann 7.62mm and wearing the Party Animal outfit

Alone Time Endurance Co-op Challenge: Spend at least one day more than 60 meters apart

Up, over, under, onwards String together the following: jump, coil (over obstacle), slide (under obstacle)

"Teamwork" Endurance Co-op Challenge: Collect an Artifact while your partner is down

Clingy 13 Parasite Zombies killed (lifetime)

Not All Miss In multiplayer, defeat 3 enemies within one Vanguard usage 5 times.

Get Away from Her! Endurance Co-op Challenge: Kill an enemy melee attacking your partner

A Trusted Ally Complete 49 faction missions.

Sweet goodbye Triggered the flip-off move

Skin Deep Skin every species of animal in Story Mode.

FIGHT BACK AND LOSS Finish the episode without skipping any sequence.

A Nice Place to Live Acquired a rover and new insights into your father.

Zoologist Study every animal across all states in Story Mode.

Chaos Averted Kill an infected teammate with a headshot before they become a zombie in any mode.

New Testament: Ch. 1-4 (Hard) Complete Chapters 1 through 4 on Hard difficulty.

Platinum Congratulations!

Overcoming the Nemesis Defeat Nemesis

Stop Squirming 17 Hunters Killed (lifetime)

Trap Game Strong Successfully triggered 10 Vehicle Traps

Revive Revive Sarah.

Treadhead - Kill 30 Helghast whilst in the tank Take 30 Helghast lives whilst using the ISA tank

Spotter Killed 30 Enemies Using Sniper Support

Dimensional Bypass Traverse a long distance using Manifest.

No One Left Behind Endurance Co-op Challenge: Revive a player 3 times in a single expedition

Lucky Guess Next time, Jacob better use a more complex code to arm his bombs.

Sphere Master Complete a Sphere Grid for one character

Teamplayer You killed 5 opposing team members.

Danger Close Killed 30 enemies using Proximity Mines

The Take Greedy bastard. You accepted O'Malley's blood money and let him go.

Don't underestimate the Force Earn a total of 100 kills while playing as a hero (Multiplayer)

Genetically Superior You came first in 20 singleplayer street races.

Bird of Prey Survive an encounter with Griffon

Supply... Unlock new weapons by hitting a Convoy

Light collector Gather all the 30 Light gems

5 Golden Things Collect 5 rare gold rewards

Squashed Like A Bug Defeat Phantom

Veteran Acquire 100000 experience points

Undertaker - Kill 1000 Helghast Kill 1000 Helghast soldiers

Trick or Treat You stealth killed a Nazi General while disguised.

New Testament: Ch. 5-7 (Hard) Complete Chapters 5 through 7 on Hard difficulty.

Feeling Prepared Install equipment into every slot on your ship.

Green collector Gather all the 30 Life gems

Destroyer Complete 1000 sabotages.

Who waits five minutes, seriously Play the waiting game with Ryan.

The Dream for These Folks Discovered the vital technology inside ARK Habitas and Mission Opera's secret objective.

Revival Revive 31 teammates (lifetime)