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