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