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 Cardio skill.
Killed 25 zombies with incendiary shotguns.
Crafted ammunition 5 times.
Destroyed 5 infestations in one day.
Fixed delicious snacks 5 times.
Built 8 outposts.
Earned 500 Fame.
Intercepted 5 mysterious supply drops.
Got killed by zombies.
Invited a community member to follow you 10 times.
Sacrificed your life in a blaze of glory.
Escaped Trumbull County.
Maxed out a community member's Shooting skill.
Got 15 people in your community.
Saw things through at the courthouse.
Found out what the Army's up to.
Helped the Wilkersons resolve their differences.
Killed one of each freak zombie type with your car.
Killed one of each freak zombie type.
Intercepted a mysterious supply drop.
Relocated your home base.
Ran over 250 zombies.
Completed 50 missions or activities with the same character.
Destroyed 10 hordes in one day.
Maxed out a community member's Wits skill.
Maxed out a community member's Fighting skill.
Killed 3 zombies with an exploding propane tank.
Earned a skill specialization for one of your community members.
Convinced another enclave to join your community.
Distracted zombies to complete an objective.
Used a car door to kill a zombie.
Invited a community member to follow you.
Built a facility.
Escaped Mt. Tanner and found the survivors at the church.
Completed a survey activity.
Made it to the Mt. Tanner Ranger Station.
Play matchmaker for Quentin and Becca.
Kill a member of your community to prevent them from turning.
Perform a hand to hand double kill special attack.
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.
Earned 25 Headshot Streaks at Breakdown Level 4 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.
Destroyed 5 Bloaters at Breakdown Level 2 or Higher.
Burned 100 Zombies with Fire at Breakdown Level 2 or Higher.
Reached Breakdown Level 2.
Completed All Research Projects at Breakdown Level 1 or Higher.
Went out in a Blaze of Glory at Breakdown Level 1 or Higher.
Unlock All Heroes.
Survived 2 minutes within a Danger Zone.
Escaped Danforth with Vienna Cho in your community.
Survived 10 sieges on your base in a single playthrough.
Delivered 6 rucksacks to your base in the back of a single vehicle.
Completed all hunting missions with Sasquatch.
Successfully extracted Dan Bogatz.
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.
Successfully extracted Julene Horn.
Brought Thomas Horn to the Landing Zone, at least.
Sent an energy drink flying.
Kill 100 zombies with Drone Strikes.
Survive detonating a nuclear device in Danforth.