Orcs Must Die! 2 achievements

7.37%

Kingdom Rush

Beat a nightmare level using only weapons, trinkets, and the dwarf, archer, and paladin minions

11.84%

I Could Do This All Day

Kill 25,000 Orcs

12.17%

Predator

Collect 30 dropped skulls

16.59%

Cash Money Skulls

Spend 1000 skulls in the tome

20.32%

They Just Keep Coming

Reach wave 25 in an endless mode level

23.00%

Friends 'Till the End

Complete Twisted Halls in co-op

27.56%

Restoring Order

Complete campaign, Act 2

35.25%

MMMMONSTER KILL!

Get a 25 kill streak

41.43%

Indecisive

Respec your character

42.86%

Thanks Bro

Heal an ally in co-op

48.34%

Queen of the Orcs

Charm 100 orcs as the Sorceress

48.66%

Big Spender

Spend 100 skulls in the tome