Get 3 stars in every stage of the Frozen North

Spawn 1,500 Reinforcements.

Defeat Jokull, mother of Wyverns

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

Slay 500 enemies.

Slay 10,000 enemies.

Reach level 10 with Veruk.

Win the first stage with 3 stars.

Find the hidden Root

Help DK through the mines.

Sell 20 towers.

Get 3 stars in every stage of the Kingdom of Linirea

Kill 13 Engineers before they can repair a Machine.

Get 3 Stars in every Stage of the Dwarven Kingdom.

Destroy the farmer's crops

Destroy 3 mine carts before they reach their destination.

Find Scrooge McDuck.

Find all the armadillos

Fend off the Draugrs

Reach level 10 with Asra.

Slay 3000 enemies.

Build 80 Towers.

Reach level 10 with Oloch.

Defeat Bolgur, Lord of the Dwarves.

Find the secret agents

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

Destroy 80 Chompbots.

Get rid of those annoying pests and whack 5 Moles.

Melt the T-800.

Turn off all the streetlamps

Defeat Denas, King of Linirea

Find the Gommi Bears

Help Bilbo sneak into the mountain.

Call 15 waves early.

Kill Leeroy Jenkins' brother.

Put Borney to sleep.

Find Olav the magical iceman

Slay 300 Draugrs

Execute 81 enemies with the chainsaw sword

Launch 500 Nitro powered Rocket riders

Deal a total of 5000 damage to enemies with the basic attack

Teleport 666 enemies

Win all the Heroic mode challenges

Summon 50 captain orcs

Kill 200 enemies with the bee hives

Make your crows deal 30000 total damage

Spawn 500 skeleton warriors to battle

Make elite harassers dodge 800 attacks

Summon 13 Gargoyles

Spawn 200 Spiderlings

Use the advanced burning fuel on your furnaces 88 times.

Help Bonehart to come back

Make the horn whisper a song

Hire 5 Trolls

Hire 50 mercenaries

Break the ice from 25 frozen towers

Win all the Iron mode challenges

Find the hypnotoad and obey.

Defeat Polyx the Wise

Make Kermit take a sip of tea.

Make the frog cross the road.

Find out why the dog is barking.

Defeat the Winter Queen of the Frozen North.

Help the yeti have a decent meal.

Find the First Avenger.

Sink the girl in the Black Lagoon.

Find Slenderman, the old-fashioned horror creature.

Collect the five pieces of Lord Blackburn's armor.

Become the White Lotus priest apprentice.

Defeat the Water Dragon King.

Shoot all the fireworks.

Defeat the ferocious Great-T.

Force the undermined to breath some fresh air.

Find the hidden cute dino who likes bushes.

Poke the demogorgons out of their hiding.