Full list of all 38 Orcs Must Die! 3 achievements.
The base game contains 26 achievements, and there are 2 DLC packs containing 12 achievements.
Reroll a debuff in Scramble.
Complete the main campaign.
Complete any Weekly Challenge.
Score 5,000,000 in any endless match.
Earn 1,000,000 coin.
Survive 10 waves in a single endless match.
Survive 25 waves in a single endless match.
Kill 10,000 minions.
Unlock all gear slots.
Score 500,000 in any campaign scenario.
Purchase all upgrades for a single trap.
Beat the first war scenario.
Earn 100,000 coin.
Upgrade a piece of gear.
Kill 100 minions.
Purchase a new piece of gear.
Acquire every item in the game.
Earn 5 skulls on every scenario of the story campagin on Rift Lord difficulty.
Complete the story campaign on Rift Lord difficulty.
Complete the Drastic Steps campaign.
Complete the Drastic Steps campaign on Rift Lord difficulty.
Earn 5 skulls on every scenario of the Drastic Steps campagin on Rift Lord difficulty.
Complete Tier 2 in Scramble.
Complete Tier 5 in Scramble.
Score 5,000,000 total in Scramble.
Complete all acheivements.
5 Skull one "Cold as Eyes" scenario on Endless
Beat all "Cold as Eyes" scenarios
Kill 1000 Cyclopes
5 Skull all "Cold as Eyes" scenarios on Rift Lord
Kill 250 Cyclopes
Purchase all 3 pieces of "Cold as Eyes" gear
Purchase one upgrade for any "Tipping the Scales" gear
Beat all "Tipping the Scales" scenarios
Kill 250 Tuatara
5 Skull one "Tipping the Scales" scenario on Endless
Kill 1000 Tuatara
5 Skull all "Tipping the Scales" scenarios on Rift Lord