Sammo21

Hail to the king, baby Reach the maximum level with a Survivor

Meat Over Metal Kill a Sectopod on the same turn you encounter it (in Single Player)

Must Be Bored Complete all dungeons on Legendary difficulty

Seek and Destroy Complete all optional mission objectives.

Ground Control In Moon, prevent each excavator from breaching the base in one game.

Mech My Day Shoot the pilot out of a Hawk while it's on the ground.

The Long Road Complete 20 stages in a single run.

Tenuous Grasp Find and then lose something valuable

Little Lost Girl In Origins, release Samantha.

Illyria Calling Triggered Danger Time during a proper match.

Genius Destroyer Defeat Monsoon without taking any damage on Hard difficulty or above.

Hoarder Complete all 6 Calling Card Challenges in any Zombies Category

Karlan Engineering Destroy a Karlan controlled Siege Mech

Powerful Have 10 or more buffs during combat.

Wasteland Treasure Hunter Retrieved 1000 items out in the Wasteland.

Look Out! Kill a soldier with a Bomba

Whatever Works Kill 10 enemies with thrown objects.

Captain Get a Multiplayer character to Lvl 30.

Bested Dark Knight! Defeated Dark Knight without taking damage.

Heartless Make only negative choices

The twister String together: wallclimb, turn, swing, wallclimb, turn, swing, jump. [Pure Time Trials]

Vice Express Take the train

Win Lionspire 10 times Win Lionspire 10 times
0/100

Win Rudhelm Siege 10 times Win Rudhelm Siege 10 times
20/100

Pit Lord Kill 100 enemies by knocking them into pits

MEAT IS MURDER Activate Bubby.

A Complete Collection Complete the museum collection.

Spike Needs a Coat Enter New Freezeland.

Legendary Place 1st in any race on Steel Titan difficulty

Stoppie Master Hold a Stoppie trick for 75 feet (22.86) or longer

Blackout Historian In Blackout, unlock Reznov, Mason, Woods and Menendez

Xea'sh'kaebt Defeat Dominion.

Unfinished Business Kill a yellow carded criminal whilst Down Not Dead (Arcade Mode and Multiplayer Ranked Match).

Dicey launch String together: slide, wallrun, wall climb, turn, jump. [Pure Time Trials]

Happy Bath Survival Win in Happy Bath Survival.
*Private Parties and Ranked Parties excluded

Not so special Take down a member of Zell's guard

Ultimate Warrior Unlock all alternate moves for one character.

This Damn Island In The Darkest Shore, explore the entire island.

A Better Tomorrow In Revelations,complete the cycle.

Big Bo Rescue Save Big Bo from the Cerberus.

Master Crafted Fully customize a Space Marine and a Chaos Space Marine character.

The Take Disarmed the fire traps in Chateau Haine's vaults. ("Mark of the Assassin" downloadable content)

In Synch Kill two enemies with simultaneous quick draws while in co-op mock surrender

Frosty Monkey Play the Snow Kidz Racing mini game.

Lexico Arcanus Learn all the skills from a single Skill tree.

Preemptive Strike In Classified, kill 50 Nova 6 Crawlers without letting them explode in a single game

Crawl for Help In Classified, while in last stand use a teleporter and then get revived in a single game

Kill Them All Kill every enemy type found in Adventure Mode at least once

Survivalist Survive for 30 seconds on Pacifism Classic without going through a gate

Coast 2 Coast Cross the water with a teleport grenade in Descent.