SuperSpenceBros

Seeds of Doubt In Zetsubou No Shima, the one must be saved.

Assault With Battery In Zetsubou No Shima, electrocute a zombie with a shield.

Not Big Enough In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.

Big Ride Ride the train

Big Help Wear something on your hip

Big Climb Reach the highest point

Big Sit Ride the chairlift

Je Suis Perdu! You've had one heck of a ski holiday.

Big View Visit the map

Big Pack Wear a backpack

Big Walk Cross the drawbridge

Sleepwalking You've drifted through the Night Realm.

Accidents Happen You didn't make it to the toilet in time.

Friendly Presence You've re-contained IS-0091 - or a variant - for now.

Survive the Night You faced the dark of Security Sector and came out the other side, different, but alive.

A Lode Off My Mind You've met the excitable locals at the seaside hamlet of Canaan.

Regaining Control You've broken free of containment failures and explored beyond the Cascade Laboratories.

The Big Apple You've seen how the other half lives. Turns out, not very well.

Coffee in the Coffee Hole You fed coffee to an entity that probably doesn't need more coffee.

Pop Goes the Weasel In Mob of the Dead, break the cycle.

Making the Rounds In Mob of the Dead, complete the cycle 3 times.

No One Escapes Alive In Mob of the Dead, execute the escape plan.

Feed the Beast In Mob of the Dead, obtain Hell's Retriever.

Little Lost Girl In Origins, release Samantha.

Fashion Spec Equip a complete armor set with a unique buff.

Rare Catch You've fished up something rare! Lucky you.

No More Room In Helmholtz You've lingered through an apocalypse.

Kitted Out Equip an item into every available slot, at the same time.

Hackerman Hack a door or other security feature.

Green Thumb Cultivate any crop

Catch a Fish You've successfully caught a fish, but it isn't quite what you expected!

It Only Gets Stranger From Here You've taken your first steps into the worlds beyond our own.

Monkey See, Monkey Don't In Shangri-La, get something from the monkeys.

Zomb Disposal In Shangri-La, dispose of a Napalm zombie without it harming any players.

One Small Hack for a Man... In Moon, hack something.

Shifting Sands Gather intel on Raul Menendez from Mullah Rahmaan.

Gathering Storm Investigate the jungle facility.

Just Gettin' Started Complete 1 challenge in any level.

No Man Left Behind Rescue Woods.

Gun Nut Complete a level with customized loadout.

Big Leagues Start the Campaign.

Welcome to the Penthouse Prestige once in multiplayer Public Match.

Chimp on the barbie In Ascension, kill a space monkey with a fire trap.

The eagle has landers In Ascension, escape on all 3 lunar landers.

Death to Dictators Take down Castro with a headshot.

Insert Coin Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Wait, you can pet it? Pet the flying Manta.

What a thrill Reach the maximum world height.

Peak gameplay Reach the heighest cliff in the world.

Saved the Day, probably Complete Phase 5 of the Space Elevator and finish the game.