Upgrade all basic tower types to level 3

Earn 15 stars.

Build 30 towers.

Kill one enemy.

Kill 500 enemies.

Call 10 waves early.

Open 5 information cards.

Use Rain of Fire 5 times in a single stage.

Earn 30 stars.

Build 100 towers.

Build all 8 tower specializations.

Kill 2.500 enemies.

Kill 100 enemies with meteor showers.

Change soldiers' rally point 200 times.

Earn 45 stars.

Build 150 towers.

Call all waves early in a single mission.

Kill 10.000 enemies.

Have your soldiers regenerate a total of 50.000 life.

Train 1.000 soldiers.

Send 1.000 soldiers to their deaths.

Complete the Campaign in Normal difficulty.

Complete all Heroic stages.

Complete all Iron stages.

Level up any hero to level 5.

Level up any hero to max level.

Defeat Nazeru, the red efreeti.

Kill 30 enemies with the pirate ship's cannons.

Find the singing frog.

Find all 3 alien hunters.

Make a Desert Bantah move.

Find a mermaid.

Find the secret message.

Feed over 50 creatures to the Snapvines.

Complete stage 4 without losing any soldiers to the Sandworm.

Have the Spear maidens perform 50 whirlwinds.

Build 3 Mechas on any one stage.

Have your Mechas defeat 500 enemies.

Have your assassins steal 10.000 gold.

Kill 100 Tribal zombies.

Pick up 500 enemies with the Twister spell.

Have the Crossbow forts shoot 10.000 bolts.

Apply one Falconer bonus to 4 towers.

Have one templar revive 5 times in a row.

Have your Death Riders claim 99 lives.

Set 20 enemies on fire at the same time.

Have 20 skeleton minions active at the same time.

Kill 100 enemies by letting them bleed to death.

Hire 10 or more mercenaries.

Kill a Sandwraith before it summons any Fallen.

Defeat 10 climbing enemies.

Silence 70 spellcasters with the Spirit Totem.

Have your assassins dodge 1000 attacks.

Kill over 100 enemies with the drill.

Kill 30 Parasytes or Reapers.

Weaken 100 enemies with the Totem of Weakness.

Clean debris from 10 holders.

Deal over 30.000 damage with Critical Mass explosions.

Complete Stage 1.

Build a specialist tower of each type on any stage.

Have a genie polymorph 10 enemies.

Complete a jungle stage without the hero dying.

Complete an underground stage without the hero dying.

Complete a desert stage without the hero dying.

Build on all holders on any given campaign stage.

Defeat Quincon, the Jungle King.

Defeat the Dark Lord and save the realm!

Save a captive princess.

Help Indiana find the secret passage.

Level up any hero.

Have a single dwarf soldier heal a total of 500 life.

Call a wave within 3 seconds of the icon showing up.

Sink 5 enemy gunboats.

Kill 3 Bluegales while under a storm.

Kill 20 Sharks before they reach the shore.

Kill 50 swimming enemies.

Defeat Leviathan, the Underwater God.

Destroy 100 zombies under a full moon.

Complete the desecrated grove without any ghosts escaping.

Defeat 6 Phantom Warriors before they harm any soldier with their aura of death.

Defeat Vasile, the Everlasting Prince.

Survive 13 full moons without losing a single life.

Find the hidden mortal reptilian combatant.

Defeat Xyzzy, the Saurian King.

Complete the campaign in Veteran mode.

Survive 30 Waves in the Temple of Evil.

Kill 300 Aliens in the Temple of Evil.