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One Man Army You survived a 6 star wanted level for a full 5 minutes.

Speed Demon Achieve a speed of 300km/h.

Hand To Hand Master - Kill 50 Helghast using Brutal Melee Killed 50 Helghast using Brutal Melee

Fog of War Sneak through the Dragon's Teeth undetected in Death Factory.

One Each - Kill 3 Helghast with Shotgun Pistol, no reloads Shot and killed 3 Helghast using the Shotgun Pistol without reloading or switching weapons

Sneaky Little Buggers Killed each of the loot midgets

Assassin's Greed You completed all 9 assassin missions.

In Harmony 500 coop jumps.

Power Spike - Nail a Helghast to an exploding object Used the Boltgun to nail a Helghast to an exploding object

Speed Demon Finish the game in under 12 hours.

Light Seeds Gatherer Collect 700 Light Seeds.

Never There - Sneak past Helghast Sneaked past all Helghast in the Jungle without alerting any of them

TLAD: One Percenter Help Billy get his bike back. (The Lost and Damned)

Cabin Fever Make it to the cabin in Regular or Hardcore difficulty.

Warrior Special Dodge the Warrior's attacks 20 times in one battle.

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

First Step Complete your first mission in Jimmy's Vendetta.

National B License Complete the B License.

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

Liberty City Minute You finished the story in less than 30 hours.

Double Trouble - Reach the river in Co-op Made it to the Corinth River in Co-op mode

Tools of the Trade Assassinate Targets with Ballistic, Accident and Explosion Kills.

Pinpoint - Kill the Heavy with an StA-14 Killed the Heavy using the StA-14 rifle

Be gentle with her Elika saves you fewer than 100 times in the whole game.

Come Fly With Me Completed Come Fly With Me.

What Witness? Finish the Witness level in "Joe's Adventures."

Precious Time Take one minute to think.

Under The Radar You flew under all the main bridges in the game.

Light Seeds Accumulator Collect 800 Light Seeds.

Mopping Up - Kill 40 Helghast foot soldiers Killed 40 or more Helghast foot soldiers on the beach

Land on the Horizon Reach the Island of Time

Stranded Together - Reach the Extraction Point in Co-op Made it to the Extraction Point in Co-op mode

Safeguard Complete round 20 in safeguard.

No Witnesses - Destroy all dropships on the Highway Destroyed all dropships on the Highway

Jury Rigger Repaired 30 items.

Ring-a-Ding-Ding Completed Ring-a-Ding-Ding.

Sightseer You have taken all variations of the helicopter tours of Liberty City.

That's How We Roll! You unlocked the special ability of Brucie's helicopter ride.

Minigunned - Destroy all targets Destroyed everything while using the Minigun on the Intruder

Light Seeds Protector Collect 900 Light Seeds.

The Gully Completed the larger challenge in The Gully coliseum

Gobble Gobble You got a turkey in 10-pin bowling.

Royal Palace Runner Run between the Fertile Grounds in the Royal Gardens and Coronation Halls in 4 minutes.

Bobble-trap Collected 15 Claptrap bobbleheads

Ruined Citadel Runner Run from the Sun Temple's Fertile Ground to the Fertile Ground in Windmills in 5 minutes.

The Lubricator Found 25 oil cans

What a party! Collected 3 panties, 5 fish in a bag, and 15 pizzas

Walker of the Mojave Discovered 50 locations.

Now It's Personal - Kill 1000 Helghast Killed 1000 Helghast

Lights Out! In 'Black Cats', blast out all of the spot lights in the Japanese cargo convoy. (Solo only)