SimulatedDave

Just Gettin' Started Complete 1 challenge in any level.

No Man Left Behind Rescue Woods.

Gun Nut Complete a level with customized loadout.

Tilt Unlock Pinball.

Fine Feathered Friends Scare 120 clusters of birds.
120/120

Wall to Wall Successfully perform 100 combos incorporating either a wallride or wallplant.
100/100

Versatile Land a 150,000+ point combo including a Flip, Grab, Manual, Wall, Grind and Special trick.

It’s Not Too Grindy Successfully land 500 grinds.
500/500

Big Leagues Start the Campaign.

Do a Kickflip! Perform a combo worth 7,500 or more, exclusively using flip tricks.

Stand Down Complete the campaign on any difficulty.

Clarity Crack the code.

This Stuff is Your History Complete 343 Guilty Spark.

Proto Gravemind Find all skulls and terminals in 343 Guilty Spark.
100/100

Big Walk Cross the drawbridge

Never get off the boat Find the Soviet connection in Laos.

Control Alt Delete Complete Assault on the Control Room.

That’s My Ride On Assault on the Control Room get to the Banshee before the Elite.

Stowed in Snow Find all skulls and terminals in Assault on the Control Room.
100/100

Claims Adjuster Break off 50 Vehicle parts.
100/100

Make Them Count Kill 100 enemies with headshots.
100/100

Bee Thirty Complete Silent Cartographer.

Ready For Deployment Reach rank 10 in Combat Training.

Up close and personal Silently take out 3 VC.

Sally Likes Blood Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.

Some wounds never heal Escape the Past.

Broken English Escape Kowloon.

T-Spin Break-In Earn 10 T-Spins.
10/10

Infiltration Anticipation Complete Truth and Reconciliation.

Installation 04 Complete Halo.

Cranial Collect a Skull.

Welcome to the Club Reach Sergeant (Level 10) in multiplayer Public Match.

The Autumn Leaves Complete Pillar of Autumn.

Paranormal Progress In Mob of the Dead, open a door without spending points.

SOG Rules Retrieve the dossier and the defector from Hue City.

Raining Pain Rack up a body count of 20 NVA using air support in Hue City.

The Dragon Within Kill 10 NVA with Dragon's Breath rounds.

Looks don't count Break the siege in the battle of Khe Sanh.

A safer place Sabotage the Soviet space program.

Unconventional Warfare Use the explosive bolts to kill 30 enemies in the campaign.

VIP Receive orders from Lancer.

Give me liberty, or give me death Escape Vorkuta.

Sacrifice Ensure your squad escapes safely from Cuba.

Death to Dictators Take down Castro with a headshot.

Eaten by a Grue Play Zork on the terminal.

Just ask me nicely Break free from the torture chair.

Once More, With Feeling Finish the main story in New Game+ mode

Skyfall Jump out of a plane in Slovakia

Short fuse Shoot at an enemy while he's throwing a grenade

I expect you to die Survive the explosion at the hotel in Slovakia