Full list of all 46 State of Decay achievements worth 600 gamerscore. It takes around 20-25 hours to unlock all of the achievements in the base game.
The base game contains 30 achievements worth 400 Gamerscore, and there are 2 DLC packs containing 16 achievements worth 200 Gamerscore.
Earned 500 Fame.
Performed a hand to hand double kill special attack.
Played matchmaker for Quentin and Becca.
Sacrificed your life in a blaze of glory.
Killed 3 zombies with an exploding propane tank.
Built one of every type of facility.
Maxed out a community member's Cardio skill.
Killed one of each freak zombie type with your car.
Got 15 people in your community.
Built 8 outposts.
Relocated your home base.
Escaped Trumbull County.
Helped the Wilkersons resolve their differences.
Earned a skill specialization for one of your community members.
Saw things through at the courthouse.
Found out what the Army was up to.
Completed 50 missions or activities with the same character.
Destroyed 5 infestations in one day.
Killed a member of your community to prevent them from turning.
Killed one of each freak zombie type.
Ran over 250 zombies.
Destroyed 10 hordes in one day.
Used a car door to kill a zombie.
Distracted zombies to complete an objective.
Built a facility.
Convinced another enclave to join your community.
Got killed by zombies.
Escaped Mt. Tanner and found the survivors at the church.
Completed a survey activity.
Got to the Mt. Tanner Ranger Station.
Go Out in a Blaze of Glory (Breakdown Level 1 or Higher).
Kill 5 Bloaters (Breakdown Level 2 or Higher).
Perform 50 Zombie Executions (Breakdown Level 3 or Higher).
Collect 150 Resources (Breakdown Level 4 or Higher).
Destroy 5 Juggernauts (Breakdown Level 5 or Higher).
Execute 50 Stealth Kills (Breakdown Level 5 or Higher).
Reach Breakdown Level 6.
Unlock All Heroes.
Sent an energy drink flying.
Kill 100 zombies with Drone Strikes.
Deliver 6 rucksacks to your base in the back of a single vehicle.
Survive 10 sieges on your base in a single playthrough.
Survive 2 minutes within a Danger Zone.
Complete all Sasquatch hunting missions.
Survive detonating a nuclear device in Danforth.
Escape Danforth with Vienna Cho in your community.