Unlockables
Game Completion Unlocks
Note that Nightmare difficulty is unlocked separately for each campaign: Story, Classic, and DLCs.
- Classic Order costume - Complete Story on Apprentice/War Mage difficulty
- Double Jump - Complete Story (War Mage only)
- Feather Fall - Complete Story (Sorceress only)
- Knight of the Order costume - Complete Story on Nightmare difficulty
- Nightmare difficulty - Complete a campaign on Apprentice/War Mage difficulty
Steam Achievements
- All Aboard - Kill 1,000 orcs with minecarts
- BFFs - Reach wave 40 in a co-op endless mode level
- Big Spender - Spend 100 skulls in the tome
- Cash Money Skulls - Spend 1000 skulls in the tome
- Droppin' Hamiltons - Spend 10 skulls in the tome
- Freedom! - Use the freedom trinket to break a co-op partner out of a stun
- Friends 'Till the End - Complete Twisted Halls in co-op
- Halfway There - Complete campaign, Act 1
- I Could Do This All Day - Kill 25,000 Orcs
- I'm So Awesome - Complete campaign, Act 2 Nightmare
- Impossible! - Reach wave 50 in an endless mode level
- Indecisive - Respec your character
- Kingdom Rush - Beat a nightmare level using only weapons, trinkets, and the dwarf, archer, and paladin minions
- May I Have Some More? - Kill 50,000 Orcs
- MMMMONSTER KILL! - Get a 25 kill streak
- Perfectionist - Earn 5 (base) skulls on every campaign level on War Mage difficulty
- Pot of Gold - Get a 10x or higher combo
- Predator - Collect 30 dropped skulls
- Queen of the Orcs - Charm 100 orcs as the Sorceress
- Restoring Order - Complete campaign, Act 2
- Six Degrees - Catch the Robot disease
- Stay Classy - Complete all classic levels
- Ten at Once - Get a 10 kill streak
- Thanks Bro - Heal an ally in co-op
- They Just Keep Coming - Reach wave 25 in an endless mode level
- Tough Going - Complete campaign, Act 1 Nightmare
- What is Best in Life? - Use the berserker trinket to reduce your health below 15%
