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