Here is the full list of all 10 The Walking Zombie: Dead City achievements.
The first spilled blood.
The player bought the AK47.
The player bought the M4A1.
The player bought the UZI.
Pitchfork and dung it's yours.
Survive for 100 days.
The player did 10 ultra monster kills.
The player exploded 50 barrels.
Your arena performances are known throughout the wilderness. Kill 50 arena zombies.
The player made 100 headshots.