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