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.
Maxed out a community member's Cardio skill.
Crafted ammunition 5 times.
Killed 3 zombies with an exploding propane tank.
Killed one of each freak zombie type with your car.
Got killed by zombies.
Sacrificed your life in a blaze of glory.
Escaped Trumbull County.
Built one of every type of facility.
Invited a community member to follow you 10 times.
Fixed delicious snacks 5 times.
Got 15 people in your community.
Killed 25 zombies with incendiary shotguns.
Earned 500 Fame.
Built 8 outposts.
Maxed out a community member's Wits skill.
Invited a community member to follow you.
Intercepted 5 mysterious supply drops.
Found out what the Army's up to.
Maxed out a community member's Shooting skill.
Helped the Wilkersons resolve their differences.
Destroyed 10 hordes in one day.
Destroyed 5 infestations in one day.
Killed a member of your community to prevent them from turning.
Convinced another enclave to join your community.
Saw things through at the courthouse.
Relocated your home base.
Played matchmaker for Quentin and Becca.
Killed one of each freak zombie type.
Ran over 250 zombies.
Completed 50 missions or activities with the same character.
Intercepted a mysterious supply drop.
Maxed out a community member's Fighting skill.
Distracted zombies to complete an objective.
Earned a skill specialization for one of your community members.
Built a facility.
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.
Perform a hand to hand double kill special attack.
Reached Breakdown Level 6.
Destroyed 5 Juggernauts at Breakdown Level 5 or Higher.
Reached Breakdown Level 5.
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.
Execute 50 Stealth Kills at Breakdown Level 5 or Higher.
Unlock All Heroes.
Earn 25 Headshot Streaks (Breakdown Level 4 or Higher).
Successfully extracted Michele Martin.
Successfully extracted Julene Horn.
Brought Thomas Horn to the Landing Zone, at least.
Delivered 6 rucksacks to your base in the back of a single vehicle.
Kill 100 zombies with Drone Strikes.
Survive 10 sieges on your base in a single playthrough.
Survive 2 minutes within a Danger Zone.
Send an energy drink flying.
Complete all hunting missions with Sasquatch.
Survive detonating a nuclear device in Danforth.
Escape Danforth with Vienna Cho in your community.
Successfully extract Timothy Hall.
Successfully extract Hadley Westen.
Successfully extract Dan Bogatz.
Successfully extract Madison Grant.
Successfully extract Kelly Eldridge.