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