Sammo21

Top Camper In Rave in the Redwoods, earn all camp badges.

Colossus: The Methuselah Project Defeat Methuselah Titan

Say No to Methuselah Take Methuselah offline

Meteoroid Clear region 4 in Apocalypse

Evolution of an Action Hero Complete Alpha Protocol using the Recruit background.

Shellshock Complete "Shellshock" challenge

Best of the Worst Place a tarr on the #1 Slime Stage

Collector Find all 50 collectibles

Unstable Combustion Blow up a Warpfire Thrower by shooting them in the power cell

Making History In The Darkest Shore, escape from the island before the bombing starts.

Hoarder Collect 500,000 Shards.

Reunion Complete Oz's challenges in Descent.

Rebel Start a Riot on the Athena.

Uncanny X-cellence Complete X-Men: Children of the Atom. (Continues OK)

Billionaire! Collect a billion studs

Elemental Teachings Complete all Storm Research.

Alea Iacta Est Reached ending: "Alea Iacta Est."

Bull's Eye Complete the shooting training in Martyr's End

Infinity Play 25 cards in a single turn.

Close Encounters of the Turd Kind Find a power gem charging Shepherd and return to Rhea-6

Sensei Learn all skills in campaign mode

Wright Collect 50 tris in-air in 1 run

Gone Fishin' Hit each type of underwater mob with the fishing rod.

Pile 'Em Up Kill 500 aliens. (does not have to be in same game)

Big Game Hunter Complete 100% of the Bestiary

Good to the Last Drop Drain all of the Energy S.A.C.s

The Longest Voyage Boost for 5.2155e-13 parsecs (10 miles)

Gunsmith Construct the Bullet that can kill the Past

Skunkworks In a single game, complete every Foundry project.

Katamari Speedster Completed all Requests in Katamari Drive mode.

Stargazer Cleared all missions.

Builder's Brew Kill an Elite Zombie with the final hit coming from a Wisp

Secret Sub You might have to submerge to find it

That's a Lot of Dead Guys Kill 2500 enemies in Campaign and Echelon.

Maxed Headroom Unlock all Upgrades

Giants Defeat 50 Giants

Finisher Eliminate an enemy mech while it is repairing.

Make Them Humble Win 25 matches by knockout.

Just-Ace League Ace every story level in the DC Comics™ Premium Level Pack.

Fashion Conscious Collected 30 Presents.

I got Hard Finish the game in Hard mode.

Size doesn't matter You beat "The Giant"!

The Emperor’s Justice You have made a decision regarding the fate of a Psyker in the service of the Drukhari.

Lieutenant Beat the game on Medium

The Power! Obtain all power upgrades in campaign mode

Giving A Hand Finish 30 enemies your Co-Op partner shot 'Down Not Dead'.

Win Grand Tour Win the Grand Tour

Chamber of Secrets You have entered the Stasis Chamber.

CMISRS Resource Return 48 pieces of intel.
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Boss of Bosses Kill 20 boss units