Gehirnaiming

Silent But Deadly Stealth kill 10 Enemies with the Striker Crossbow

Ace Act 5: The Boss Ace Act 5: The Boss

Ace Act 3 and Act 4 Ace Act 3: The Mission and Act 4: The Level Factory

Bringin' Home the Bacon Earn 750 Dollars in one episode of Bash TV in the Campaign

Virtual Survivor Achieve a score of 3,750 in the VR Survival Challenge

METAL GEAR SOLID® Booty Master Collect all of the METAL GEAR SOLID® prize bubbles

Top The Midnight Club You won 20 different multiplayer standard races.

Dev Graffiti Find the secret Developer Graffiti Room

A Bitter Environment Completed mission: Wyvern Sparks and Rose Thorns.

A True Hunter Is Never Satisfied Completed 50 quests.

Key To The City You completed GTA IV to 100%.

Beast Slayer Destroy the KRAKEN boss

Taking It For The Team You were on the winning team in all multiplayer team games.

Mechanocide Kill 100 Enemies with Sentry Bots, Sentry Turrets, or RC Bomb Cars

Let the Investigations Begin! Completed your first investigation.

Master Chef Collect all Recipes and Schematics in one play-through

Stand Alone Complete Always Faithful

No Room for Sidekicks Complete a Legend of the Wasteland without any player(s) becoming incapacitated

Speedy Rexecutioner Destroy the Metal Gear REX boss in under 2 mins 30 seconds

A True Legend Complete a Legend of the Wasteland on Nightmare difficulty

Rage Cup Win all Races in the Campaign

Beyond the Black Wings Completed mission: A World Turned Upside Down.

Hat Trick Kill at least 3 Enemies with a single Mind Controlled Enemy

One Corner of the World Completed mission: What Lies Ahead.

Ace Port Royal Ace Port Royal

Hardest Deck Beat Teague's hardest Deck

In Memoriam Pick up a Campaign collectible

Thrifty Painter Complete Act 3: The Mission firing less than 125 paintballs

A Keen-eyed Observation Used the binoculars to spot a gold-crown large monster.

It's Good! Score each of the 3 Field Goals from the ATV

Monster Slayer Hunted 100 large monsters.

Anthology Complete all Legends of the Wasteland

Deliverance Complete the final round of Strum

Minigamer Win all Minigames

Efficiency Destroy 10 mannequins in The Rock

Ace Pirate Town Ace Pirate Town

Miniature Crown Obtained your first miniature crown in the Hunting Log.

Monster Ph.D. Hunted many different large monsters.

Impregnable Defense Forged five different pieces of armor with Rarity 7 or higher.

Dark Forest Complete the Dark Forest on any difficulty

Ace The Frigate Ace The Frigate

Jumper Perform all 18 Vehicle Jumps

Liquidator Headshot kill 50 Enemies in the Campaign.

Rock of Gibraltar Complete The Rock and Operation Gladius

Fly The Co-op You completed "Deal Breaker", "Hangman's NOOSE" and "Bomb da Base II" in time.

A Legacy Restored Obtained an Artian Weapon of Rarity 8.

A Prize Held High Caught a creature that bears an ancient wyvern coin.

Devil in the Dark Complete Night Raid

Deep-Six Destroy 3 floating mines in Operation Gladius

End of an Era Find the dinosaur figurine in the NATO base in Always Faithful