Win the first stage with 3 stars.

Help baldo sneak into the mountain.

Find all the armadillos

Destroy 3 mine carts before they reach their destination.

Help DK through the mines.

Get rid of those annoying pests and whack 5 Moles.

Slay 500 enemies.

Put Borney to sleep.

Melt the T-800.

Take the ring back from Bollum before it's too late.

Sell 20 towers.

Build 80 Towers.

Call 15 waves early.

Destroy 80 Chompbots.

Kill 13 Engineers before they can repair a Machine.

Find Scrooge McDuck.

Get 3 Stars in every Stage of the Dwarven Kingdom.

Defeat Bolgur, Lord of the Dwarves.

Make the horn whisper a song

Hire 5 Trolls

Find the secret agents

Find Olav the magical iceman

Fend off the Draugrs

Slay 300 Draugrs

Slay 3000 enemies.

Spawn 1,500 Reinforcements.

Break the ice from 25 frozen towers

Help Bonehart to come back

Defeat Jokull, mother of Wyverns

Get 3 stars in every stage of the Frozen North

Reach level 10 with Veruk.

Reach level 10 with Asra.

Reach level 10 with Oloch.

Kill Leeroy Jenkins' brother.

Destroy the farmer's crops

Find the Gommi Bears

Spawn 200 Spiderlings

Turn off all the streetlamps

Find the hidden Root

Hire 50 mercenaries

Defeat Denas, King of Linirea

Get 3 stars in every stage of the Kingdom of Linirea

Slay 10,000 enemies.

Kill 5,000 enemies with Vez'nan's powers.

Make your crows deal 30000 total damage

Teleport 666 enemies with the infernal mages

Summon 50 captain orcs

Launch 500 Nitro powered Rocket riders

Execute 81 enemies with the chainsaw sword

Great Scott! Burn 88 Presto logs and reach maximum speed!

Summon 13 Gargoyles

Kill 200 enemies with the bee hives

Spawn 500 skeleton warriors to battle

Make elite harassers dodge 800 attacks

Deal a total of 5000 damage with the basic attack of orc shamans

Win all the Iron mode campaign challenges

Win all the Heroic mode campaign challenges

Complete the Campaign in Veteran difficulty.

Complete the Campaign in Impossible difficulty.

Make Kermit take a sip of tea.

Find the hypnotoad and obey.

Make the frog cross the road.

Defeat Polyx the Wise

Find the First Avenger.

Find out why the dog is barking.

Help the yeti have a decent meal.

Defeat the Winter Queen of the Frozen North.

Find Slenderman, the old-fashioned horror creature.

Sink the girl in the Black Lagoon.

Collect the five pieces of Lord Blackburn's armor.

Become the White Lotus priest apprentice.

Shoot all the fireworks.

Defeat the Water Dragon King.

Force the undermined to breath some fresh air.

Poke the demogorgons out of their hiding.

Find the hidden cute dino who likes bushes.

Defeat the ferocious Great-T.

Have the smith forge a cool helmet.

Help the cute runner avoid the explosive trap.

Set the magic carpet free so it can fulfill its dreams.

Summon the mummies 13 times to fight for your cause.

Defeat 17 War Elephants.

Find the hidden shadow mage across the Hammerhold campaign.

Defeat the Hammerhold king to rule them all.