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Improper Behavior Spraypaint all Zombrex posters

Dawn Reached the ending

Nightlord Conqueror Defeated all Nightlords

True Arbiter Completed Equilibrious Beast raid

Navigators Build an Exocraft

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

Mom's Knife Kill Satan with Isaac

United States of Tropico Finished a game with relations of 100 with the US

Ostiophobia Defeat the son.

Ultimate Player Perfect Collection

Has science gone too far? Get a kill using the HT-95 Levkov, XD-1 Accipiter, Rorsch Mk-1, and Schipunov 42

Finally Home Complete every Adventure level in The Journey Home.

Nightlord Slayer Defeated 3 different Nightlords in a row

Safety Check: Failed Use the amusement park rides to kill 10 zombies at once.

Constructive Feedback Unlock Feedback.

First Blood Finish a round of Last Stand

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Shaken, not stirred Kill a terrorist with a martini

Solitary Met a strange person in a strange place

Downforce Completionist Gain all stars in 'Downforce'.

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Save the Girl Rescue a damsel in distress from the Twin Terrors.

Red Barrels Explode all the red barrels on the rooftop while in a helicopter

The creator Finish Mission 4

Suicide mission Eliminate a guard with a booby trapped clone

Lamborghini Completionist Gain all stars in 'Lamborghini'.

Technical Wizardry Succeed at a cumulative total of 100 reversals (single player only).

Full Master Earn all Gold Medals available in Mastery Challenge

Midnight Completionist Gain all stars in 'Midnight'.

SuperTilt! Tilt 10 times in a row

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Retro-futurism Advanced to the Modern Era before the year 1960

Living in the Past You conquered 5 warp zones! you're so old school...

Dose of his own medicine Kill a torturer in a duel

Pretentious Do not use any item during a mission

Set and Steadfast Acquired many pieces of high-rarity equipment on a single expedition

Save the Girl... Again Save the damsel in distress a second time.

2010 Hall of Fame Nominee Induct a Superstar into the HALL OF FAME.

Star struck Get 3 Stars on 10 different Echoes

Obtained Vessels Acquired a great many vessels

No Zombies in the Vents Unlock the secret shortcut.

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Genpei Demon Completed all missions in "The Tengu's Disciple" on Dream of the Demon. (Does not include Twilight or training missions.)
0/10

The Boy Who Could Run Complete all Parkour Fever Challenges

Walk in the Park Complete the game on hard using hardcore mode

Guerrilla Tactics Execute at least 25 different Skillshots in one Echo round

Shifting Earth Found the secrets of all Shifting Earth locations

Thrillseeker Unlock Carnival of the Dead