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Bravo! Reach rank 3 or higher in the Bravo imp quest

Iron Lung In Zetsubou No Shima, stay underwater for one minute.

Medallist Obtain any medal in 10 different challenges

I need your Headband, Sunglasses and Minigun Get Headband, Sunglasses and Minigun in one run in Commando mode

Prayer for the Dying Pay tribute at all hidden statues
2/5

Athetos Defeat Athetos

Stamp Collector Reach rank 3 or higher in the Stamp Collector imp quest

Shield Complete 'Shield' Level

Beneath the Mask Find all masks
11/18

Friends Reunited Find all coffins and unlock the secret ending

Bonus Onus Unlock all bonus levels (25)

Hidden in rubble Find all secrets in the final three chapters
6/11

Quick Pick Solve any Security Lock System in less than 7 seconds

Gest - Chapter XIV Finish the levels from Chapter XIV in Warrior difficulty

Dunked Kill General Dunkel

Ralan's Mission Complete all bonus levels

Most Wanted Accumulate $50,000,000 in your career (Arcade Mode and Multiplayer Ranked Match).

Timing is Everything Kill the final 3 Ancestors within 10 seconds of killing the first Ancestor in Regular or Hardcore difficulty.

Popcorn Cook 50 zombies with the Magnetron in Infection.

None Left Standing In Der Eisendrache, kill every type of zombie using a minigun.

Crop Duster In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.

Mo Ichido Complete Atsu’s Hunt in New Game+.

Sever Complete mission 9: "Sever"

Information Overload Find all 8 Protocol Data Drives

Wardrobe Change In Revelations, wear three different hats.

Always Hard Kill the final Ancestor with a relic active in Hardcore difficulty.

Nothing Lasts Forever Unlock everything

Tools of the Trade Craft the Virus Filter and Flare Gun in Survival mode.

Family Reunion Meet Logan face-to-face in "The Source"

One Too Many In Zetsubou No Shima, throw up.

Red Rescuer Find the Red Minions.

Don't You Die On Me Revive a teammate in Co-Op Campaign or Endgame

The Source Complete mission 10: "The Source"

It's a Legitimate Strategy Get 3 Kills while defending an Objective Zone without leaving it

Return to sender You killed an Infected Worker with his own barrel!

Background Reading Look in every folder in Flight Computer

Total Fist Bump Deflation Finish the game in a fractured friendship

Untouched Flame Prevail in a Rite without your Pyre taking damage (Campaign)

Seeds of Doubt In Zetsubou No Shima, the one must be saved.

Beakers We Can Complete "Muppet Labs!" using no more than 40 Beakers

Pure Poetry Complete all The Pen and the Sword Challenges.

Indirect Fire Kill 100 zombies with traps in Infection.

Setter of Trends Unlock all outfits.

Homecoming Return to America

There's someone in my house eating my birthday cake Keep your house undamaged for 5 minutes in Commando mode

Cryogenic Slumber Party In Moon, complete Richtofen's Grand Scheme.

Capital Punishment Complete all Crime and Punishment Challenges.

Kit Collage! Build a scene using elements from 20 different creators

My Friend Ciro Decide Ciro's fate

Skullcrusher Defeat Skullface