Complete Stage 1.
Kill one enemy.
Build on all holders on any given campaign stage.
Call 10 waves early.
Level up any hero.
Defeat Nazeru, the red efreeti.
Build 30 towers.
Kill 500 enemies.
Upgrade all basic tower types to level 3.
Use Rain of Fire 5 times in a single stage.
Earn 15 stars.
Open 5 information cards.
Kill 100 enemies with meteor showers.
Call all waves early in a single mission.
Call a wave within 3 seconds of the icon showing up.
Earn 30 stars.
Kill 2.500 enemies.
Build 100 towers.
Change soldiers' rally point 200 times.
Earn 45 stars.
Defeat Quincon, the Jungle King.
Build 150 towers.
Kill 10.000 enemies.
Have your soldiers regenerate 50.000 life.
Send 1.000 soldiers to their deaths.
Train 1.000 soldiers.
Build all 8 tower specializations.
Build a specialist tower of each type on any stage.
Find the singing frog.
Defeat the Dark Lord and save the realm!
Make a Desert Bantah move.
Win stage 4 without the Worm eating soldiers.
Have a genie polymorph 10 enemies.
Hire 10 or more mercenaries.
Kill 30 enemies with the pirate ship's cannons.
Find a mermaid.
Have the Spear maidens perform 50 whirlwinds.
Kill a Sandwraith before it summons any Fallen.
Find the secret message.
Feed over 50 creatures to the Snapvines.
Find all 3 alien hunters.
Save a captive princess.
Clean debris from 10 holders.
Kill 30 Parasytes or Reapers.
Defeat 10 climbing enemies.
Kill 100 Tribal zombies.
Help Indiana find the secret passage.
Have your assassins steal 10.000 gold.
Apply one Falconer bonus to 4 towers.
Have your assassins dodge 1000 attacks.
Have the Crossbow forts shoot 10.000 bolts.
Kill over 100 enemies with the drill.
Pick up 500 enemies with the Twister spell.
Set 20 enemies on fire at the same time.
Deal over 30.000 damage with Critical Mass.
Have one templar revive 5 times in a row.
Silence 70 spellcasters with the Spirit Totem.
Kill 100 enemies by letting them bleed to death.
Weaken 100 enemies with the Totem of Weakness.
Have 20 skeleton minions active at the same time.
Build 3 Mechas on any one stage.
Have your Death Riders claim 99 lives.
Have your Mechas defeat 500 enemies.
Level up any hero to level 5.
Complete a desert stage without the hero dying.
Train a hero up to max level.
Complete a jungle stage without the hero dying.
Complete a cavern stage without the hero dying.
Kill 3 Bluegales while under a storm.
Sink 5 enemy Gunboats.
Kill 20 Sharks before they reach the shore.
Kill 50 swimming enemies.
Complete the Campaign in Normal difficulty.
Defeat Leviathan, the Underwater God.
Complete all Heroic stages.
Complete all Iron stages.
Complete the Campaign in Veteran difficulty.
Survive 13 full moons without losing a single life.
Destroy 100 zombies under a full moon.
Don´t let any Ghost escape on Desecrated Grove.
Defeat Vasile, the Everlasting Prince.
Defeat 6 Phantoms without them harming any soldiers.
Have a single dwarf soldier heal 500 life.
Find the hidden mortal reptilian combatant.
Defeat Xyzzy, the Saurian King.
Kill 300 Aliens in the Temple of Evil.
Survive 30 Waves in the Temple of Evil.