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Chaos Island Memories Repaired all Portals on Chaos Island.

INEFFECTIVE! Defeat the Rat King while using Splinter.

Supply and Demand Unlock 10 Resupply Points by completing Encounters.

1CC Complete Arcade mode without losing all lives, on Experienced difficulty

Show Off! Win a blitzball tournament

The Brightest of Their Age Recruit all possible companions in a single playthrough.

Throwing the Switch Complete the fourteenth mission

Combo Crackerjack Performed Phantom Rush 50 times, outside of the training simulator.

Seegson Systems Expert Complete 10 minigames successfully

Hypersonic Hedgehog Raised Speed Level to MAX.

Origin of True Chaos Completed the game on CHAOS difficulty.

Iconoclast Win events driving Ken's and Morohoshi's cars

The Scouring of Mordor Challenge the Dark Lord in Mordor.

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

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

Boosting the Pillars Completed the Exchange under 5 minutes and 25 seconds.

The Message Complete the fifteenth mission

Hearty Hedgehog Raised Ring Level to MAX.

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

Chaos Island Explorer Completed all Challenges on Chaos Island and fully revealed the map.

Shattered - Destroy all glass in the Labs Destroyed all glass panes in the Stahl Arms South laboratories

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

DLC: Zombies: Early ExZit Denied Try to escape the bridge early in Burned Bridges.

Cleared Complete all "Mine Clearing" SIDE OPS.

Smooth Talker Make 25 Dialogue Choices on Quests

Shocker Electrocute three enemies at once.

Riding the Spiral Completed the Spiral under 6 minutes 40 seconds.

Princess savior! Rescue the 10 princesses

Over Here! Distract 20 different enemies.

Bobble-trap Collected 15 Claptrap bobbleheads

Chaos Island Expert Viewed all Side Stories on Chaos Island.

Getting It Over With Completed the Wedge under 9 minutes and 50 seconds.

Free Refills Refill the boost bar 3 times in a row with Infinite Boost.

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

Ouranos Island Explorer Completed all Challenges on Ouranos Island and fully revealed the map.

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

Vinewood Visionary Create and export a video using the Rockstar Editor or enter Director Mode 5 times.

Master's Seal Fully developed all characters.

Ouranos Island Memories Repaired all Portals on Ouranos Island.

Come Snap With Me Give the Photo Mode a shot!

Another Brother Falls You survived the drive into Sinclair Parish

Transmission Complete the sixteenth mission

Watch out! Kill 10 Toads using their electric projectiles

Easy Prey Defeated all enemy types.

Treasure Hunter Awarded for finding all hidden treasure chests.

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

The Lubricator Found 25 oil cans

Rough Night Kept everyone alive

Roguelike DLC Vietnam: Complete the game in Survivor Mode (Host only).

Ambush Defeat 4 enemies within the duration of a single scare effect.