Here is the full list of all 42 Rebuild 3: Gangs of Deadsville achievements.
Have 365 food at once
Use 50 bath salts in one game
Discover the true origin of the disease
Finish any city on Impossible difficulty
Complete the final scenario city
Light off Fireworks
Get any survivor to defense level 20 (includes equipment)
Have a survivor with 10 in every skill
Complete the Return to New York questline
Declare peace with a faction
Complete every research project
Kill 10,000 zombies cumulatively
Be allies with every faction in the city
Complete the Pig Farmer questline
Generate a surplus of 50 food per day from farms
Find 100 items while scavenging cumulatively
Finish any city on Hard difficulty
Repair an airplane and fly away
Reclaim the entire city
Equip a Rocket Launcher
Fix a Power Plant
Destroy every faction on the map
Become allies with any faction
Destroy any faction
Produce 100 items in the workshop cumulatively
Kill 1000 zombies cumulatively
Get any survivor to level 10 in some skill
Finish any city on any difficulty
Finish any city by day 50
Complete scenario city 1
Build a City Hall
Kill 100 zombies cumulatively
Equip every survivor with a gun
Equip 10 animals
Have 5 hospitals, 10 medkits, and 100 medicine at once
Have 100 survivors at once
Kill 100,000 zombies cumulatively
Become Gustav's friend and get his special deals
Eat enough people to be considered evil cannibals
Complete the Gangs of Deadsville questline
Have 50% of survivors become cultists
Fully infect the Dahlias with your cultists