Kill 500 zombies

Kill 100 zombies

Kill 2500 zombies

Kill a Forester

Kill a Spittle

Kill a Tourist

Kill a Marine

Kill a Cop

Kill 10 zombies in a row in survival mode

Kill a Professor

Kill 20 zombies in a row in survival mode

Kill 50 zombies in a row in survival mode

Upgrade any hero's weapon to level 5

Earn totally one million of gold

Upgrade all hero weapons to level 5

Collect all hero weapons

Meet Jade

Meet Hunter

Construct wall of level 3

Construct wall of level 1

Construct wall of level 5

Upgrade Minigun once

Upgrade Lighter once

Upgrade Medkit once

Upgrade Freezer once

Upgrade Mortar once

Kill 50 zombies using Rifle or Shotguns

Upgrade all bus weapons to level 5

Open all bus weapons

Kill 100 zombies using Rifle or Shotguns

Kill 50 zombies using assault rifles

Kill 300 zombies using Rifle or Shotguns

Kill 100 zombies using assault rifles

Kill 300 zombies using assault rifles

Kill 100 zombies using bows

Kill 50 zombies using bows

Kill 300 zombies using bows

Kill 50 zombies using crossbows

Kill 300 zombies using crossbows

Kill 100 zombies using crossbows

Kill 50 zombies using throwing weapons

Kill 100 zombies using throwing weapons

Kill 50 zombies using chainsaw

Kill 300 zombies using throwing weapons

Kill 100 zombies using chainsaw

Kill 300 zombies using chainsaw

Kill 100 zombies using katana

Kill 50 zombies using katana

Kill 300 zombies using katana

Kill 100 Kamikazes or Fishermen in normal and survival modes

Use Target blocks 200 times

Use Target blocks 50 times

Use Target blocks 1000 times

Use Arrow blocks 50 times

Use Arrow blocks 1000 times

Use Arrow blocks 200 times

Match special blocks 50 times

Match special blocks 200 times

Win a battle wit less than 5% health remaining

Match special blocks 1000 times

Reach level 50 of any hero