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