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.
Killed a member of your community to prevent them from turning.
Fixed delicious snacks 5 times.
Invited a community member to follow you.
Got killed by zombies.
Killed one of each freak zombie type with your car.
Killed 3 zombies with an exploding propane tank.
Escaped Trumbull County.
Maxed out a community member's Shooting skill.
Got 15 people in your community.
Saw things through at the courthouse.
Earned 500 Fame.
Played matchmaker for Quentin and Becca.
Maxed out a community member's Wits skill.
Found out what the Army's up to.
Maxed out a community member's Cardio skill.
Built 8 outposts.
Destroyed 5 infestations in one day.
Helped the Wilkersons resolve their differences.
Intercepted 5 mysterious supply drops.
Relocated your home base.
Completed 50 missions or activities with the same character.
Killed one of each freak zombie type.
Ran over 250 zombies.
Maxed out a community member's Fighting skill.
Intercepted a mysterious supply drop.
Destroyed 10 hordes in one day.
Distracted zombies to complete an objective.
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.
Earned a skill specialization for one of your community members.
Completed a survey activity.
Made it to the Mt. Tanner Ranger Station.
Sacrifice your life in a blaze of glory.
Build one of every type of facility.
Perform a hand to hand double kill special attack.
Invite a community member to follow you 10 times.
Craft ammunition 5 times.
Kill 25 zombies with incendiary shotguns.
Performed 50 Zombie Executions at Breakdown Level 3 or Higher.
Destroyed 5 Ferals at Breakdown Level 3 or Higher.
Reached Breakdown Level 3.
Destroyed 5 Bloaters at Breakdown Level 2 or Higher.
Reached Breakdown Level 2.
Go out in a Blaze of Glory at Breakdown Level 1 or Higher.
Collect 150 Resources at Breakdown Level 4 or Higher.
Destroy 5 Juggernauts at Breakdown Level 5 or Higher.
Execute 50 Stealth Kills at Breakdown Level 5 or Higher.
Reach Breakdown Level 6.
Unlock All Heroes.
Reach Breakdown Level 4.
Reach Breakdown Level 5.
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).
Successfully extracted Hadley Westen.
Survived detonating a nuclear device in Danforth.
Completed all hunting missions with Sasquatch.
Successfully extracted Dan Bogatz.
Successfully extracted Michele Martin.
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.
Kill 100 zombies with Drone Strikes.
In Lifeline, deliver 6 rucksacks to your base in the back of a single vehicle.
Survive 10 sieges on your base in a single playthrough.
Survive 2 minutes within a Danger Zone.
Send an energy drink flying.
Escape Danforth with Vienna Cho in your community.
Successfully extract Timothy Hall.