Snowmilles

Cameraman Trigger every Speed Camera

War-hardened Achieve at least 1 rank in a tier 3 skill.

A Friend in Need Play Co-op mode

Corpse Wagon Detonate fallen Leeches to kill 25 enemies

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Cardboard Companions You found all of your cardboard buddies.

Rare Collectible Equip a Chthonic Companion

Champion of Elysium Clear Elysium with the 'Extreme Measures' Condition

Girls' night out Only the women survived!

The Diamond Age Attain ‘Magnate’ status in Most Units Accrued

Great Outdoors Endurance Challenge: Survive for 10 days

The Cat Came Back Break into Riddler's secret hideout and exact your revenge.

Ack Ack Protect your tanks by shooting down all planes in Operation Cobra.

A Feast for Two Endurance Co-op Challenge: Eat the meat of 3 bears with your partner

For a Better Tomorrow Learn all cub skills.

The Guns of Anchorage Completed "The Guns of Anchorage"

Tower Offense Climb the asylum tower without alerting any nurses

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

THE BEST DIVER Collected all the Trophies.

Overachieve Much? Complete 100 objectives

Best of the Bunch Earn the MVP award in any Online Tournament match

Liberty City (5) Your friends all like you above 90%.

Battering Ram Shield Bash 5 different thugs

Rexecutioner Destroy the Metal Gear REX boss

Easter Egg Have your cubs eat the Easter Egg.

Vacation Endurance Challenge: Escape the forest after surviving for 7 days

Untouchable Complete the game in Impossible Mode.

Consider all the permutations Chose all of the Head decisions

Time for Pints Finish the Campaign on any difficulty.

Nyx's Mirror Have at least one rank in each Mirror of Night Talent

Not a Scratch on Her! I'm not taking any chances, this bus can't take much more damage. (Ch. 12)

Frequent Flyer Zip Kick 5 different thugs

Compounding Your Success Complete Overwatch 1

Tools of the Architect Choose 50 different Daedalus Hammer enchantments

All Snug in Their Beds Uncover the secret history of the park.

Full House Kill 5 enemies with each type of Agony Bolt.

Scoped In multiplayer, get 25 headshots with longblaster rifles.

Faithful to the Abbey Side with the Overseers in the Dust District

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Clockwork Collector Obtain numbered plates for 3 Clockwork Soldiers

Mass Production Produce 100 objects from your builders

Green Teen Finish Shadows of Rose on at least Casual difficulty.

Hold the Onions Clear an Infernal Gate without taking damage

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Concordance Officer Collect all Trophies.

Train, Set and Match Complete Overwatch 2

Best buddies Let the dog lick your face for 5 seconds in Cat and Mouse (playing as the VR Cat).

A Hunter, Through and Through Find and kill all 4 rare spawns.
3/4

Something From Everyone Unlock each standard Keepsake

Trepaning For Fun and Profit Collect all the items (skulls) on "Nightmare"