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The Monster Machine Track down and apprehend the serial killer.

Going Underground Discovered every manhole.

The Riddle Factory Obtain a key by completing the eighth Riddler trial.

Skeet Shoot In the Main Campaign, killed 5 enemies while they are falling.

The Road Home Destroy all of the militia APC's.

On the Fly In the Main Campaign, killed 30 enemies while riding a Sky-Line.

Gravitational Anomaly Defeated 8 enemies with one special attack.

Pitching Machine Hurled 10 objects into enemies without missing or taking damage.

Bon Voyage In the Main Campaign, killed 20 enemies by knocking them off Columbia.

Compulsive Complete every Challenge

Lethal Pursuits Obtain a key by completing the ninth Riddler trial.

Key to the Past Croft Manor: Acquire the Master Key

No Stone Unturned Achieve 100% game completion

Relic Hunter Croft Manor: Collect 50% of the Relics in Croft Manor

Burning Game Hunter Defeated the rare Nevi in Rift Planes: The Inferno.

Meet the Crofts Croft Manor: Collect 50% of the Documents in Croft Manor

True Commitment Reach level 60 in multiplayer.

Angel in the Dark Complete the trials and prove you are a worthy successor.

Shopaholic Buy every upgrade and character in multiplayer.

Nine Lives Obtain a key by completing the last Riddler trial.

Must've Got Lost Complete "Lost in Nightmares" on any difficulty setting.

Master Detective Croft Manor: Open Lord Croft's Safe

Triple Threat Kill 3 enemies with 1 Shotgun blast

The Harder They Fall Kill 2 rappelling enemies in a row before they land on their feet.

Mind Over Matter In the Main Campaign, killed 20 enemies using Possessed machines.

Combination Shock In the Main Campaign, performed all 8 of the Vigor combinations.

Legacy Croft Manor: Finish the Blood Ties story

Cryptic Messages Scan a Xenoglyph

Assassin of Kings Take part in the assassination of King Radovid.

Illusory Game Hunter Defeated the rare Nevi in Rift Planes: The Mirage.

True Challenger Cleared EVERY challenge.

First Day of School Complete 'S.S.D.D.' and 'Team Player' on Veteran difficulty.

Knock-knock Kill 4 enemies with 4 shots during a slow-mo breach.

Lost in Time and Space Heard the mysterious couple's complete story.

Heartbreaker In the Main Campaign, killed a Handyman by only shooting his heart.

Black Diamond Complete 'Cliffhanger' on Veteran difficulty.

Gates of Gotham Destroy all of the militia watchtowers.

Precognitive Paranoia Kill Shepherd.

No Rest For the Wary Knife an enemy without him ever knowing you were there.

Death of Innocents Rescue station 17 fire crew.

Gem Aficionado Collected a total of 40,000 precious gems.

Siberian Ranger Beat 15 combat encounters after completing the game

Colonel Sanderson Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.

Gotham Underground Defuse all of the militia explosive ordinance in Gotham City.

Streets of Gotham Destroy all of the militia checkpoints.

Adrenaline Spike Achieve maximum Adrenaline Level

Shh, shh Performed 100 Stealth Takedowns on enemies

Pioneer Reach Vinland

Desperado Kill 5 enemies in a row using 5 different weapons or attachments.

Iron Will Complete a level in Score Attack using 5 cards