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