Kill 15 zombies
First lose
First win!
Win a map with 4 archery towers
Win a map with 4 bomb towers
Win a map with 4 mage towers
Win a map with 4 fighter towers
Unlock all upgrades
Complete the game
...
Kill 50 zombies
quack
Get into the top 15 of the ranking
Kill 200 zombies
Kill 1000 zombies
Kill 3000 zombies
Kill 10000 zombies
Speed up the game 80 time
End tutorial
Beat first boss!
989286
225555