Defeat the ferocious Great-T.
Reach level 10 with Asra.
Put Borney to sleep.
Help Baldo sneak into the mountain.
Slay 300 Draugrs.
Collect the five pieces of Lord Blackburn's armor.
Spawn 500 Skeleton Warriors to battle.
Resurrect Bonehart... again.
Build 80 Towers.
Call 15 waves early.
Find Scrooge McDuck.
Execute 81 enemies with the chainsaw sword.
Turn off all the streetlamps.
Defeat Bolgur, Lord of the Dwarves.
Poke the demogorgons out of their hiding.
Destroy 3 mine carts before they reach their destination.
Get 3 Stars on every stage of the Dwarven Kingdom.
Make Elite Harassers dodge 800 attacks.
Kill Leeroy Jenkins' brother.
Win the first stage with 3 stars.
Find the First Avenger.
Make the frog cross the road.
Find all the armadillos.
Kill 200 enemies with beehives.
Take the ring back from Bollum before it's too late.
Find the hidden cute dino who likes bushes.
Find the hidden Root.
Find the Gommi Bears.
Shoot all the fireworks.
Win all the Heroic mode campaign challenges
Fend off the Draugrs.
Make the horn whisper a song.
Find the Hypnotoad and obey.
Remove the ice from 25 frozen towers.
Force the undermined to breathe some fresh air.
Teleport 666 enemies with the Infernal Mages.
Win all the Iron mode campaign challenges
Defeat Jokull, the Mother of Wyverns.
Make Kermit take a sip of tea.
Kill 13 Engineers before they can repair a machine.
Slay 500 enemies.
Slay 10,000 enemies.
Slay 3,000 enemies.
Kill 5,000 enemies with Vez'nan's powers.
Defeat Denas, King of Linirea.
Get 3 stars on every stage of the Kingdom of Linirea
Find the secret agents.
Great Scott! Burn 88 Presto logs and reach maximum speed!
Hire 50 mercenaries
Help DK through the mines.
Get rid of those annoying pests and whack 5 Moles.
Destroy 80 Chompbots.
Find Olav the magical iceman.
Reach level 10 with Oloch.
Summon 50 Orc Captains.
Deal a total of 5,000 damage with the basic attack of the Orc Shaman.
Complete the Campaign in Impossible difficulty.
Defeat Polyx the Wise.
Destroy the farmer's crops.
Launch 500 nitro-boosted rockets.
Sell 20 towers.
Make your crows deal 30,000 total damage.
Become the White Lotus priest apprentice.
Help the yeti have a decent meal.
Find Slenderman, the old-fashioned horror creature.
Defeat the Water Dragon King.
Spawn 1,500 Reinforcements.
Spawn 200 Spiderlings.
Summon 13 Gargoyles.
Complete the Campaign in Veteran difficulty.
Melt the T-800.
Sink the girl in the Black Lagoon.
Find out why the dog is barking.
Hire 5 Trolls.
Reach level 10 with Veruk.
Get 3 stars in every stage of the Frozen North
Defeat the Winter Queen of the Frozen North.