Megaloadon

The Deepest Cut Kill 20 enemies using only Iai-Jutsu with Shuraba. (Iai-Jutsu performed by holding △ button.)

I Welcome Your Attack, Fool Completed the Badass Round without going into Fight For Your Life.

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

Jump through Deese's Donut Successfully land the Island Mega Jump through Deese's Donut

Harmony Complete the Path of Fear Side Mission

Survivor Reach Wave 10 in each mission of Special Ops Survival mode.

Time to reload Complete the game on Cadet difficulty

Piece by Piece Destroy the arms, legs, head, and back of a KNRB-0 Argus robot.

Hydro Power Complete the Slayer's Gauntlet Challenge Tomb

I Can Has Cake? Collect the Voidwalker

Enemy Hunting Master Defeat 2000 enemies in Scenario Campaign Mode.

Master's Seal Fully developed all characters.

Mushroom With A View Complete The Sixth Seal Challenge Tomb

Epic Dismemberment Dismember 2,500 Necromorph Limbs (single player only)

Baron von Nukem Shoot down 20 alien fighters

Substance Abuser Drink beer while on steroids or vice-versa in SP

Hey Listen Acquired your personal CREO companion drone

Gladiator Complete Mutant Bash TV in the Campaign

Cleaning time! Suck up all toys using the vacuum cleaner.

Tactician Earn 1 star in each mission of Special Ops Mission Mode.

Run and Gunner - Kill 3 Helghast with one burst of assault rifle fire Kill 3 Helghast using an M82 or StA52 assault rifle without releasing the trigger

Unlocked and Fully Loaded Unlock every weapon and vehicle available in the Rebel Drop menu.

Supply and Demand Unlock 10 Resupply Points by completing Encounters.

He who protect us Met Antanas

Caiman Conquered Complete the Zipacna's Craving Challenge Tomb

Noms Eat 10 pieces of food in SP

Stone Cold Killer Complete mission “Blood from a Stone”.

Bleeding Edge Obtain the Grenadier Skill, equip the Umbrage 3-80 Shade weapon, and Brocken Shadow outfit

Clipped Wings Defeat Archon

Not Bad for a Human Defeat the Alien Queen

Like a Surgeon Singleplayer: While long range sniping, hit one of every bodypart

Human skull Collected 25 Human Skulls

Ruby Medal Cleared a chapter as Vampire Knack

Aqua Medal Defeated the Chieftain's Mech using Brittle Knack

Street Fighting Anything can be a weapon, so keep using your environment to your advantage. All is fair in such fights! (Ignored in training mode.)
6/30

Short Out Defeat the Stalker in under 60 seconds

Stains of Heresy Complete Stains of Heresy

Find all events Awarded when you find all 15 events on Big Surf Island

The Mad Queen Complete The Mad Queen

Tearing Time A New One Collect the Phasewalker

Shadow Killer Kill the Shadow Orca

Close Shave Complete all Under the Bridge and Knife Flight challenges.

Bull in a China Shop Freeze and melee kill 3 Ravagers

Unstoppable Reach Wave 15 in each mission of Special Ops Survival mode.

It's Christmas every day! Create and give 10 toys to the AR Bots using a Companion Device.

Anger is a gift Defeat the Beast

He Ain't Heavy Complete The Dragon and the Prince Side Mission

Sticky Bomb Like You! Put a Trip Mine on a live alien

Whole World Blind Complete the Two Graves Side Mission

Bone Breaker Kill the Bone Sperm Whale