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