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