All Aboard
Not unlocked yetKill 1,000 orcs with minecarts
BFFs
Not unlocked yetReach wave 40 in a co-op endless mode level
Big Spender
Not unlocked yetSpend 100 skulls in the tome
Cash Money Skulls
Not unlocked yetSpend 1000 skulls in the tome
I Could Do This All Day
Not unlocked yetKill 25,000 Orcs
Droppin' Hamiltons
Not unlocked yetSpend 10 skulls in the tome
Freedom!
Not unlocked yetUse the freedom trinket to break a co-op partner out of a stun
Friends 'Till the End
Not unlocked yetComplete Twisted Halls in co-op
Halfway There
Not unlocked yetComplete campaign, Act 1
May I Have Some More?
Not unlocked yetKill 50,000 Orcs
Impossible!
Not unlocked yetReach wave 50 in an endless mode level
Indecisive
Not unlocked yetRespec your character
Kingdom Rush
Not unlocked yetBeat a nightmare level using only weapons, trinkets, and the dwarf, archer, and paladin minions
MMMMONSTER KILL!
Not unlocked yetGet a 25 kill streak
Perfectionist
Not unlocked yetEarn 5 (base) skulls on every campaign level on War Mage difficulty
Pot of Gold
Not unlocked yetGet a 10x or higher combo
Predator
Not unlocked yetCollect 30 dropped skulls
Queen of the Orcs
Not unlocked yetCharm 100 orcs as the Sorceress
Restoring Order
Not unlocked yetComplete campaign, Act 2
Six Degrees
Not unlocked yetCatch the Robot disease
I'm So Awesome
Not unlocked yetComplete campaign, Act 2 Nightmare
Stay Classy
Not unlocked yetComplete all classic levels
Ten at Once
Not unlocked yetGet a 10 kill streak
Thanks Bro
Not unlocked yetHeal an ally in co-op