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Science is done by quantity Extract with at least 15 common samples.

The taller they are... Defeat a Bile Titan.

Samples are a diver's best friend Extract with at least 15 rare samples from a mission as a team.

Promote Synergy Provide assisted reload for a teammate.

Stalking is illegal Complete a Stalker Hive tactical objective.

They don't call it Tacticool for nothin' Complete 10 tactical objectives.

The long arm of Justice Kill a target at a distance of over 100m.

Cool guys don't loo- AAAAH! Fly at least 25 meters from the shockwave of an explosion.

The power of Democracy Kill 25 enemies with one stratagem.

Extractamundo! Extract with a full squad on a Hard difficulty or more mission.

Get some! Fire at least 150 rounds in one burst, killing at least 10 enemies.

Job's done! Complete a mission but fail to extract.

Spread Managed Democracy Kill 150 enemies during the same mission.

In the nick of time Extract after the timer reaches zero.

Democracy ain't done with you yet Heal another player using stims.

They mostly come at night... Extract from a mission during nighttime.

Big Trophy Unlock every other trophy

Big Game Completely finish the game

Bug Stomper Play 1 Bug Mission.

Strapping young lad Customize your Helldiver with new cape, armor, and helmet.

The Real Deal Complete Basic Training.

Ten K Minimum score 10k in every mission

Art of War Successfully assassinate SDC Chairman Tian Zhao.

Desert Storm Successfully escort the VIPs to safety.

Singapore Sling Successfully neutralize the SDC freighter at Keppel Terminal.

Blind Date Successfully rescue HVI.

Mission Complete Complete all challenges in a level.

Back in Time Use a future weapon in the past.

Little Lost Girl In Origins, release Samantha.

Trained Up Win 10 multiplayer games while playing in Combat Training playlists.

Big Goodbye Finish the game

Big Wall Go beyond the wall

Big Makeover Get shiny

Big Tunnel Enter a big tunnel

Big Ride Ride the train

Big Help Wear something on your hip

Big Climb Reach the highest point

Big Sit Ride the chairlift

Big Pack Wear a backpack

Big View Visit the map

Big Walk Cross the drawbridge

Overachiever In Origins, complete all 4 Challenges in one game.

Playing with Power In Origins, build all elemental staffs in one game.

Death from Above Stop Menendez once and for all.

Futurist Complete all future levels in veteran.

Black Ops II Master Complete the campaign on Hardened or Veteran difficulty.

Dead or Alive Jailor or executioner.

Late for the Prom Escort the president to the secure location in downtown LA.

Sinking Star Interrogate Menendez.

Deep Cover Capture Menendez.