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.
Complete Tier 5 in Scramble.
Reroll a debuff in Scramble.
Complete the main campaign.
Score 500,000 in any campaign scenario.
Complete Tier 2 in Scramble.
Complete any Weekly Challenge.
Purchase a new piece of gear.
Unlock all gear slots.
Kill 100 minions.
Earn 100,000 coin.
Purchase all upgrades for a single trap.
Beat the first war scenario.
Upgrade a piece of gear.
Survive 10 waves in a single endless match.
Kill 10,000 minions.
Earn 1,000,000 coin.
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.
Survive 25 waves in a single endless match.
Score 5,000,000 in any endless match.
Score 5,000,000 total in Scramble.
Complete all acheivements.
Purchase all 3 pieces of "Cold as Eyes" gear
Beat all "Cold as Eyes" scenarios
Kill 250 Cyclopes
5 Skull one "Cold as Eyes" scenario on Endless
Kill 1000 Cyclopes
5 Skull all "Cold as Eyes" scenarios on Rift Lord
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