Orcs Must Die! 2 achievements

7.58%

Kingdom Rush

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

12.01%

I Could Do This All Day

Kill 25,000 Orcs

12.20%

Predator

Collect 30 dropped skulls

16.44%

Cash Money Skulls

Spend 1000 skulls in the tome

20.10%

They Just Keep Coming

Reach wave 25 in an endless mode level

23.06%

Friends 'Till the End

Complete Twisted Halls in co-op

27.54%

Restoring Order

Complete campaign, Act 2

35.30%

MMMMONSTER KILL!

Get a 25 kill streak

41.50%

Indecisive

Respec your character

42.69%

Thanks Bro

Heal an ally in co-op

48.40%

Queen of the Orcs

Charm 100 orcs as the Sorceress

48.50%

Big Spender

Spend 100 skulls in the tome