Here is the full list of all 132 Orcs Must Die! Unchained achievements.
Pickup 500 of Dobbin's coins as Brass.
Kill 2,500 enemies with Brass using Cannonball.
Pickup 500 Scrap as Brass.
Kill 2500 minions with Cygnus's Chain Lightning ability.
Use Polymorph Chicken 75x.
Take 1,000,000 damage in 1 match.
Use Dobbin's Mineshaft Shortcut 200x in a match he wins.
Resurrect 10 teammates with scroll of resurrection.
Summon Tubifore 100x.
Summon a mercenary 125x.
Cast Unstable Rift Spell 75x.
Cast The Bomb Spell 50x.
Earn 3 or more stars on every rift lord battleground.
Five star a master or rift lord battleground without any players going Unchained.
Use Unchained Scroll 200x.
Summon Swiftyhooves 150x.
Summon Kobold Pups 25x.
Use Deadeye's "Outta the Way" ability 500x in combat.
Deal damage with 1,000 gallons of boiling oil.
Knock 1,000 minions into battleground hazards with Zoey's Book Club.
Kill 50 full-health ogres with Bloodspike's Stunning Execution.
Score a 15x or higher combo.
Defeat 45 consecutive waves in Endless.
Spend 200,000,000 in coin.
Kill 5,000 minions with environmental traps.
Destroy 50 unstable rifts with Bionka.
Use Gabriella's Blink 500x in battle.
Kill 5,000 enemies with Slam It Down.
Earn 5,000,000 coin as Dobbin.
Use Bloodspike's Homicidal Frenzy 30x during battle.
Kill 50 enemies with a single In Your Faces from Maximilian.
Kill 500 enemies by knocking them into hazards with Temper's Bull Rush.
Win 100 Sabotage matches.
Win 25 Chaos Trial game
Kill 100 kobolds with Midnight's Shadow Swipe.
Heal 1,000,000 damage.
Defeat 35 consecutive waves in Endless.
Earn 5 stars on every map.
Prevent the loss of 50 rift points with scroll of the empty rift.
Kill 500 enemies by knocking them into hazards with Ivy's Penetrating Arrow.
Gain 50 Bloodbath stacks as Bloodspike.
Kill 1,000 enemies with Stinkeye's Arcane Anomaly.
Kill 1,000 minions by knocking them into battleground hazards.
Kill 30 enemies within 1s of using Gabriella's Kinetic Pulse.
Hit 5000 enemies with Deadeye's Bouncing Bomb.
Reset 5,000 traps as Gabriella
Pick up 250 mana orbs with Stinkeye.
Mesmerize 50 enemies with a single Devious Allure from Gabriella.
Stun 10,000 enemies.
Earn 3 or more stars on every master battleground.
Kill 1,000 frozen enemies with Tundra.
Slot 3 trap parts into 1 trap.
Unlock rift lord difficulty.
Earn 3 or more stars on every war mage battleground.
Unlock master difficulty.
Place 100 guardians in their home locations.
Complete the Prologue.
Kill 1,000 kobolds with Bionka.
Deal 25,000 damage to Oziel using Oziel's Essence Siphon.
Hit 5,000 enemies with Ivy's penetrating arrow.
Get stunned by Zoey's Chaos Tome backfiring 15x during battle.
Summon 100 rift shards with Cygnus.
Hit 2500 enemies with Yi-Lin's Tempest Strike ability.
Kill 100 enemies with chandeliers.
Kill 500 enemies with Zoey's pet, Feebee.
Earn 150,000 coin in 1 match.
Earn 50 stars from weekly challenges.
Reach max rage with Rage of the Forge 50x.
Kill 150 enemies in 1 match with Dobbin's Spare Dynamite.
Pick up 1000 coin bags with Dobbin.
Eat 500 Delicious Meals as Bloodspike.
Win 15 Chaos Trial games
Pick up 100 Unchained drops.
Stay in Prowl for a total of 60min as Midnight.
Kill 250 minions ensnared by Reach of Roots with Ivy.
Obtain 1000 stacks of Infamy with Deadeye.
Freeze 5,000 enemies with Tundra.
Collect 2,000 soul stacks in 1 match with Oziel.
Use Blackpaw's Pounce 1,000 times during battle.
Use Yi-Lin's Imperial Reach ability 100x in combat.
Kill 500 boss minions.
Kill 500 enemies with Smolder's From the Ashes.
Run 26.2 miles with Midnight's Dash and Slash during battle.
Place 10,000 traps.
Deal 2000 damage to an enemy with a single CATCH! by Hogarth.
Win 10 Sabotage matches.
Kill 100,000 minions.
Place 100 totems as Stinkeye.
Deal damage to 1,000 enemies with Smolder using naphtha.
Kill 10,000 kobolds.
Destroy or help to destroy 100 unstable rifts.
Deal 20,000 in damage to minions with Can't Touch This.
Roll 250,000 meters in battle with Tundra's Avalanche.
Change magic school in battle 250x as Zoey.
Kill 100 enemies with boulders.
Be Unchained for a total of 1 hour.
Kill 10,000 soldiers.
Deal 50,000 damage with gear.
Kill 500 stunned enemies with Midnight.
Win 5 Chaos Trial games
Collect 500 soul stacks in a single match with Oziel.
Deal 1,000 damage with Oziel's Wraith Surge.
Earn 50 stacks of ANGRY! at once with Hogarth.
Slot 1 part into 5 different traps.
Earn 200 stars.
Kill 1,000 Archers.
Kill 5,000 ogres.
Kill 10,000 orcs.
Win 1 Chaos Trial game
Catch 75 minions on fire at the same time with Smolder.
Win 25 Sabotage matches.
Win 4 games of Sabotage.
Win 5 Sabotage matches.
Win 2 games of Sabotage.
Win 1 game of Sabotage.
Deal 50,000 damage with Smolder's Incinerate.
Deal 200,000 damage in a single match with Bionka.
Defeat 25 consecutive waves in Endless.
Upgrade 20 traps to tier 7.
Win a weekly challenge.
Kill 1,000 wounded enemies with Blackpaw.
Summon 100 gnolls during battle with Blackpaw.
Open 100 chests.
Kill 50 minions while they are in the air.
Defeat 15 consecutive waves in Endless.
Win 5 games as a party leader.
Claim 30-day login reward.
Unlock war mage difficulty.
Kill a minion in midair with Blackpaw's Pounce.
Upgrade a trap to tier 2.
Win 1 match with all 3 free starter heroes.
Achieve level 5 to unlock Sabotage mode.