Full list of all 82 Gears of War 3 achievements worth 2,000 gamerscore. It takes around 1000 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 7 DLC packs containing 32 achievements worth 1,000 Gamerscore.
You are the ultimate Gear!
Earned the Onyx "War Supporter" medal.
Your respect for the dead earned you access to Griffin's special weapons stash.
Recovered all 42 Collectibles.
Recovered all 15 COG Tags.
Complete all Acts in 4 player Co-op on any difficulty.
Completed all campaign Acts on Hardcore Difficulty.
Completed all campaign Acts on Insane Difficulty.
Earned the Silver "Number 1" medal.
Executed your enemies with variety and style.
Earned the Bronze "Force Multiplier" medal.
Complete all Acts in Co-op on any difficulty.
Completed all campaign Acts on Casual or Normal Difficulty.
Killed Myrrah.
Rescued Adam Fenix from captivity.
Turned off the Maelstrom device.
Passed under the Maelstrom and found Azura.
Launched the sub.
Maxed the Consecutive Match Bonus in Versus multiplayer.
Found enough fuel to get to Endeavor naval base.
Found and activated the fuel pump.
Drove from Anvil Gate to Mercy.
Defeated the Lambent Berserker.
Defended Anvil Gate from the Locust siege.
Arrived safely, kinda, at Anvil Gate.
Recovered 20 of 42 Collectibles.
Grabbed a Locust Gas Barge to travel to Anvil Gate.
Wreaked vengence upon humanity!
Completed 5 Arcade Campaign chapters in co-op.
Reached level 50.
Your skill and experience means you’re ready for Standard Versus multiplayer.
Earned an Onyx medal.
Discovered the location of Adam Fenix.
Completed one match in all six Versus multiplayer modes.
Completed the first 12 waves of Beast.
Reached level 25.
Blew up the Lambent Leviathan from the bridge.
Defended and escaped from Cougar Stadium.
Recovered 5 of 42 Collectibles.
Found food and ammo in Hanover.
Earned the Bronze "Loot Courtesan" medal.
Executed an infected player and is now turning Lambent.
Survived all 50 waves of Horde.
Reached level 15.
Reached level 10.
Killed 10 enemies in Team Deathmatch.
Defended the Raven's Nest from Lambent Leviathan.
Reached level 5.
Woke up from a bad dream.
Survived the first 10 waves of Horde.
Found new places to destroy all humans.
Showed your friends the Horde Command Pack sights.
We are the elite Onyx Guard!
Good ROI on that Silverback upgrade.
The Hammer of Dawn is now online!
Honored the memory of Zeta Squad in 10 matches of Versus.
Ignored all Loader safety guidelines and killed 10 Locusts.
As RAAM, made sure Minh never forgets that day outside the House of Sovereigns.
Completed "RAAM's Shadow" in 4 player co-op.
Completed "RAAM's Shadow" in Arcade Campaign.
Used the Mauler shield to kill 10 Gears that had the temerity to fire upon you and your General.
Completed "RAAM's Shadow" in Standard Campaign.
Showed 50 Locusts the meaning of sky-fire with HOD Command Center.
As RAAM, ripped 50 Gears to shreds with your Kryll.
Defeated the first 10 waves of Horde with every member of Zeta in your party.
Level 100 - so nice, I did it twice.
Completed all 50 waves of Horde on any of the Fenix Rising maps.
Won a Versus multiplayer match as a team of five Savage Marauders (any mode).
Won a Versus multiplayer match as a team of five Recruit Claytons (any mode).
Completed all 12 waves of Beast on all Fenix Rising maps.
Level 100 and going back for more!
Earned all 132 combat ribbons.
Completed all 50 waves of Horde on any of the Forces of Nature maps.
The $!*@# was taken down with extreme force.
Found the right man for the job!
Still standing after 20 waves - you're a natural!
Completed all 12 waves of Beast on all Forces of Nature maps.
Cleaved 25 enemies with a hidden weapon.
Guardian is back!
Led by example and killed 10 opponents as Guardian leader.
Captured and "released" 20 opponents as the Savage Hunter.
Maxed out all of the Horde fortifications.