Finish the campaign in Easy difficulty
Finish the campaign in Normal difficulty
Finish the campaign in Hard difficulty
Finish the campaign in Impossible difficulty
Sell 100 towers
Skip 500 times the timer
Build 100 towers
Build 1000 towers
Build 10000 towers
Lose 100 levels
Spend 5 min straight using x2 speed
Do not use X2 speed for more than 10 minutes
Do not catch any crocodile with a hunting trap
Earn 1000 bonus gold thanks to Money & Midas Towers
Kill 200 enemies with burning effect
Gain 50 lives with bet Tower
Instakill 100 enemies with sniper towers
Stun 100 ennemis with the laser stun skill
Deal 50 times max damage shot with a lucky tower
Debuff 200 ennemies with a voodoo tower
Kill 100 ennemis with the missile explode skill
Kill 500 zombies
Kill 500 voodoo dolls
Kill 500 golems
Kill 5000 golems
Kill 50000 golems
Kill 100 ennemies with regen boost
Kill 100 ennemies with a rez boost
Finish the campaign wihtout using any skill point
Finish the campaign wihtout losing any life
Rank #1 on one challenge leaderboard