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Overachieve Much? Complete 100 objectives

Perfect Timing Complete 100% of the Time Trials

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

Hard Boiled Kill an enemy with shotgun

Take damage to save time In the Tower's caves, drop from a high point to get deeper faster.

Brother 3 Defeat the Übergarde in Brother 3.

Daytona Beach Event Win a Main Event at Daytona Beach in any game mode

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

Zomboss Recruit Reach Level 5 with Every Zombie Class

Creative Thinker Beat Sofia, the Freestyle queen, in the Rival Event.

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

Toronto Event Win a Main Event at Toronto in any game mode

Bangers and Trash Put 99 items in the bin
4/99

Killer Croc Have the final hit come from the crocodile in Slaughter Swamp

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

King of Battle Achieved five-star ranks in all Coliseum Attack stages

Not kidding! Reach the podium in a total of 30 Quick Races (not unlockable in Split Screen mode).

Paid the Toll Complete The Devil's Return

A Dip in the Lake Complete Firwood Water

Thanks for coming! Complete a Main Event in a Custom Track created by another player

Girls' night out Only the women survived!

You got rid of those stiffs yet? Successfully complete Freight Train of Fear

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

Brush with Death Wake up after the missile strike.

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

Keep it up! Race a total of 50 miles (80 km) with any bike

Battering Ram Shield Bash 5 different thugs

Where do I sign? Sign a contract with any 450 Sponsor in Career mode

Nobody's Fool Jacob told Emma the truth

Las Vegas Event Win a Main Event at Las Vegas in any game mode

Consider all the permutations Chose all of the Head decisions

Hero of Thyme Complete Overcooked! and save the Onion Kingdom!
29/30

Rare Collectible Equip a Chthonic Companion

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

Entry-level combat Win 1 match in Ghost War (Standard).

Going Ape Throw 3 kegs during a match with Gorilla Grodd at the Ace o' Clubs

A Kontender Complete 1 Tower Battle

Victory - Complete Campaign on Elite Completed every mission on Elite difficulty

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

Hell of a Sheriff Complete the No Way Out scenario. (No training mode)

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

Expert Marksman Kill 2 enemies more than 200m away with headshots in 3 seconds.

Frequent Flyer Zip Kick 5 different thugs

Stuck on You As a Scientist, Vanquish 10 Players with the Sticky Explody Ball

Dressed for Success Find all upgrades for Artyom's suit.

Get Off My Lawn Successfully stop 50 Raider Attacks

Hi-Jack It Steal and deliver all Vehicle Theft targets.

Spoiled for Choice Infuse one of each type of weapon.

Pedro, I'm Sorry... Defeat Mutant Pedro in Claire's Episode Two.

Do the Hula! Obtain the Super Hoop.