Full list of all 72 State of Decay: Year-One achievements worth 1,500 gamerscore.
The base game contains 40 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 32 achievements worth 500 Gamerscore.
Built one of every type of facility.
Maxed out a community member's Wits skill.
Killed 25 zombies with incendiary shotguns.
Invited a community member to follow you 10 times.
Invited a community member to follow you.
Got killed by zombies.
Escaped Trumbull County.
Built 8 outposts.
Intercepted 5 mysterious supply drops.
Found out what the Army's up to.
Killed a member of your community to prevent them from turning.
Helped the Wilkersons resolve their differences.
Crafted ammunition 5 times.
Maxed out a community member's Cardio skill.
Sacrificed your life in a blaze of glory.
Got 15 people in your community.
Earned 500 Fame.
Saw things through at the courthouse.
Played matchmaker for Quentin and Becca.
Fixed delicious snacks 5 times.
Relocated your home base.
Killed one of each freak zombie type with your car.
Killed one of each freak zombie type.
Killed 3 zombies with an exploding propane tank.
Ran over 250 zombies.
Destroyed 10 hordes in one day.
Distracted zombies to complete an objective.
Destroyed 5 infestations in one day.
Maxed out a community member's Shooting skill.
Intercepted a mysterious supply drop.
Completed 50 missions or activities with the same character.
Performed a hand to hand double kill special attack.
Maxed out a community member's Fighting skill.
Earned a skill specialization for one of your community members.
Built a facility.
Convinced another enclave to join your community.
Escaped Mt. Tanner and found the survivors at the church.
Used a car door to kill a zombie.
Completed a survey activity.
Made it to the Mt. Tanner Ranger Station.
Unlocked All Heroes.
Earned 25 Headshot Streaks at Breakdown Level 4 or Higher.
Reached Breakdown Level 6.
Executed 50 Stealth Kills at Breakdown Level 5 or Higher.
Destroyed 5 Juggernauts at Breakdown Level 5 or Higher.
Reached Breakdown Level 5.
Completed All Research Projects at Breakdown Level 1 or Higher.
Collected 150 Resources at Breakdown Level 4 or Higher.
Reached Breakdown Level 4.
Destroyed 5 Ferals at Breakdown Level 3 or Higher.
Performed 50 Zombie Executions at Breakdown Level 3 or Higher.
Reached Breakdown Level 3.
Burned 100 Zombies with Fire at Breakdown Level 2 or Higher.
Destroyed 5 Bloaters at Breakdown Level 2 or Higher.
Reached Breakdown Level 2.
Went out in a Blaze of Glory at Breakdown Level 1 or Higher.
Escaped Danforth with Vienna Cho in your community.
Killed 100 zombies with Drone Strikes.
Successfully extracted Dan Bogatz.
Survived detonating a nuclear device in Danforth.
Survived 10 sieges on your base in a single playthrough.
Completed all hunting missions with Sasquatch.
Successfully extracted Michele Martin.
Successfully extracted Timothy Hall.
Successfully extracted Hadley Westen.
Brought Eldridge to Black Friday, but he won't leave.
Successfully extracted Madison Grant.
Delivered 6 rucksacks to your base in the back of a single vehicle.
Successfully extracted Julene Horn.
Sent an energy drink flying.
Survived 2 minutes within a Danger Zone.
Brought Thomas Horn to the Landing Zone, at least.