Oxygenard

What's That Smell? Escort Men Through Sewers

Know the Drill Complete a Practice Drill

Doggin' the Hellcats Destroy 5 Hellcat Cruisers

Speed Speedily Win Class 1 Race in Stadium

Grin and Baron It Defeat Baron in Mar's Tomb

Pedal to the Metal Destroy Metal Kor at Nest

We're All Friends Here Rescue Friends at Fortress

Bot Bot Boom Boom Protect Hideout from Bomb Bots

Timber! Destroy Drill Platform Tower

I Heart Heart Get Heart of Mar in Weapons Lab

Perfect Start Win your first game of the Season

Heavy Distortion Attack the Metal Head Nest

Finders Keepers Find Sig in Underport

Who Knew Krew Blew? Beat Krew in Weapons Lab

Following in Father's Footsteps Enter the Syrian tomb

Head Master Collect 510 Metal Head Skull Gems

Feather in Your Recap Watch a save file in Replay mode

Born Free Escape from Intensive Treatment to the island surface

Break Shot Score a goal by hitting your opponent into the ball

Freeflow Combo 10 Complete a combo of 10 moves (any play mode)

Lifeguard Save partner 10 times when DYING is displayed.

The Streak Win 10 games in a row across any mode

Quite A Tumble Survive the avalanche

The Collectivist Collect 125 Precursor Orbs

Intellectually Superior Complete all optional tombs.

Archaeologist Collect 75% of all relics.

Reading the Past Translate a Monolith

Feather Duster Kill and loot 10 flying animals (crows and gulls).

Tougher Than She Looks Survive a night in the Siberian wilderness

SARPBC Forever Play one game each with Octane and Backfire

The Collectationator! Collect 286 Precursor Orbs

Drill Sergeant Complete every Practice Drill (any difficulty)

Arkham Analyst Solve 5% of Riddler challenges

Super Victorious Win a total of 30 games across any game mode

One-Sided Conversation Stealth kill an enemy while they are having a conversation

Team Player Play against every team in a Season

Car Collector Collect 5 Cars

Drops in the Bucket Collect 50 Items

Just What The Doctors Ordered Save all the doctors in Medical

Done Done Done For excellent and dedicated field work in the field of battle for completion

Rocketeer Complete the regular Season

Bag Full O' Cache Find 75% of GPS caches.

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Champion Win the Season Championship

Cryptic Investigator Solve 10% of Riddler challenges

Baneful Payback Defeat Bane

Lethal Purchase all skills in all categories.

Challenging Complete any Challenge Tomb

Rider's Block Make 20 Saves

Breaking And Entering Gain access to Arkham Mansion after it is locked down by the Joker