Here is the full list of all 32 Walking Zombie 2 achievements.
Kill 100 000 zombies.
Shoot enemies 50 000 times in the head.
Travel 2 000 kilometers.
Open 5 000 safes.
Dig 200 tresures.
Dig 2 000 tresures.
Open 500 safes.
Dig 20 tresures.
Find 5 hidden objects.
Open 50 safes.
Travel 200 kilometers.
Spend 250 000 silver coins.
Shoot enemies 5 000 times in the head.
Kill 10 000 zombies.
Open 5 safes.
Hack computer on highest difficulty.
Spend 50 000 silver coins.
Dig 2 tresures.
Be kidnapped by aliens.
Travel 20 kilometers.
Talk to animal.
Spend 10 000 silver coins.
Give money to the beggar.
Kill 1000 zombies.
Shoot enemies 500 times in the head.
Spend 1000 silver coins.
Travel 2 kilometers.
Find Boris' watch in the latrine.
Blow up rock during one of the quests.
Kill 100 zombies.
Shoot enemies 50 times in the head.
Kill your first enemy.