Sergeant45

Donut Mess with a Cop Unlock Officer Dick.

Bookwyrm This is proof that you've become quite familiar with the Library. How to obtain this is kind of a secret, but if you take the time to do a bit of reading now and then, you should be pleasantly surprised.

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Mr. Death Get all Trophies.

Head Trauma Use every type of melee weapon on a zombie

Before Dawn Breaks Defeated the headless horseman.

One-Man Army Owned many parts of the strongest class for each vehicle type.
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Local Legend Restore the Pelican Town Community Center.

Platinum strain You have it all!

The third faction Rescue all the Buddies from their respective predicaments

Going to the Vet Earn the "Veteran" Challenge Collection.
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Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

Touch Down Land the plane 10 times without crashing (no auto land)

Wait... Wha...?! Kill a plane with an enemy plane

ARCHIVIST Collect all documents

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Gasmoxian Slug Beat all of Nitros Oxide's times in Time Trial Mode.

20,000 leagues under the lake You took the plunge for the good of the migration…

FINE PLAY! (Opening Boss) Achieve all FINE PLAY! technical bonuses in the Opening Stage boss battle.

Chatterbox Sometimes, after you've found a discovery point or when you're at a save point, you have the opportunity to press L3 to initiate a conversation between your companions. This is proof that you've experienced many Things and had a lot of Opinions about them.

Unraveling the Landscape Some of these developed stone rows or processional walks that channelled the approach of both the dead and those wishing to commune with them.

Oh Yeah!!! Complete Nothing is as it Seems

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Are We There Yet? Boarded the phantom oxcart.

Forgive me, sensei Kill Sanjuro Demon without getting hit

Untouchable Complete a whole chapter without dying and using a shrine

Appease the Volcano Gods An NPC is destined to die in a trial by fire.

Barrel of laughs Kill 20 enemies with barrels

Prime Directive Shatter Skeletron Prime.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Obtain 100 Stars Obtain a total of 100 stars

Falcon and the Snowman Complete Crime and Punishment in Single Player.

The big good-bye You enabled the Youkol migration to set off again.

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

High Score In Zombie Rush, obtain a Personal Score of 250,000

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

Woah! Earn all the other trophies.

The Lazarus Incident Finish the Prologue

Two for One Complete Crime and Punishment in Multiplayer.

Monster Annihilator Proof that you've encountered a set number of enemies!
You must be superhuman at this rate! Monsters must fear you!

State of the Badass Art Complete all Campaign levels on Ultimate Badass difficulty

Terma-nated Defeated Solomus and the Terma Ten.

One with Oblivion Defeated Lambda Theos. Impressive!

That woman is a demon! Kill Aiko Demon without getting hit

Harmonic Convergence Pick up all traveler instruments simultaneously with your signalscope.