GuessRebus

AH, EO, EO, EO, EO, OOOOO! Use the rope to go above the abyss in the level "Mountain"

Unbreakable Bonds Completed EPISODE PROMPTO on Normal.

World Shaker ME3: Destroy an Atlas dropped from orbit.

Giant Killer ME3: Defeat a harvester.

Pathfinder ME3: Explore a lost city.

Tunnel Rat ME3: Survive the swarm.

A Space Odyssey Attain ‘Discoverer’ status in Space Exploration

Lost and Found ME3: Dispatch 10 probes to retrieve people or resources in Reaper territory.

Arbiter ME3: Win a political stand-off.

Liberator ME3: Stop a Cerberus kidnapping.

Nobel Prize for Destruction Destroy 10 gold trophies on Biolapse

Blennophobia Defeat the boss in the Land of Darkness.

Lords and Judges Unlock all Trophies

So Close You'll do better next time.

Pigeon Simulator Stand on the head of the statue in the intro

You are my Only Hope Collect 10 Holographic projectors on Desolation

Party Crasher ME3: Sabotage a dreadnought.

Problem Solver ME3: Evacuate a scientific facility.

Hard Target ME3: Call down an orbital strike.

Brain Surgeon Get 50 headshots in Quick Match/Ranked Multiplayer.
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Fact Finder ME3: Discover an enemy's monstrous origin.

CSI: Blackgate Complete your first detective case

Last Witness ME3: Extract ancient technology.

Well Connected ME3: Send a warning across the galaxy.

Oral Hygiene Find and destroy all Joker teeth

Patriot ME3: Make the final assault.

Executioner ME3: Defeat an old adversary.

Savior ME3: Free Omega from Cerberus Occupation.

Field Photographer Took 10 photos mid-battle using Selfie Shot.

Mail Slot ME3: Kill 10 guardians with headshots from the front while their shields are raised.

Apex Beginner Gain a star in any event of 'Apex'.

Legend ME3: Mission accomplished.

Wrong direction Use the window on your left instead of smashing the wall in "Demolition"

Saboteur ME3: Disable a group of fighter squadrons.

Under Pressure ME3: Uncover an ancient secret.

Traveler Travel 10km

Hidden Power Took down 10 enemies using the spelldaggers.

Total Perspective Vortex Platinum

Last Resort ME3: Stop an out-of-control scheme before it's too late.

Always Prepared ME3: Obtain two non-customizable suits of armor.

Column Colossus Uprooted all columns.

Old Skull Destroy 10 Demon Skulls on Hellmark Station

Night Fight Earn three Stars in 'Low Profile'.

Silent hours (Noisy neighbours) Get rid of the speaker set in "Mountain"

Hijacker ME3: Hijack an Atlas mech.

Midnight Beginner Gain a star in any event of 'Midnight'.

One Mind Win 1 match without losing a single round in Quick Match/Ranked Multiplayer.

Downforce Beginner Gain a star in any event of 'Downforce'.

Coulrophilia Beat one of the clown's games at least once.

Master and Commander ME3: Deliver most of the Galaxy at War assets to the final conflict.