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.
Intercepted 5 mysterious supply drops.
Killed 3 zombies with an exploding propane tank.
Escaped Trumbull County.
Used a car door to kill a zombie.
Helped the Wilkersons resolve their differences.
Saw things through at the courthouse.
Invited a community member to follow you 10 times.
Found out what the Army's up to.
Distracted zombies to complete an objective.
Got 15 people in your community.
Killed one of each freak zombie type.
Killed one of each freak zombie type with your car.
Ran over 250 zombies.
Completed 50 missions or activities with the same character.
Maxed out a community member's Fighting skill.
Destroyed 5 infestations in one day.
Convinced another enclave to join your community.
Intercepted a mysterious supply drop.
Destroyed 10 hordes in one day.
Got killed by zombies.
Built a facility.
Invited a community member to follow you.
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.
Build 8 outposts.
Relocate your home base.
Max out a community member's Cardio skill.
Earn a skill specialization for one of your community members.
Sacrifice your life in a blaze of glory.
Build one of every type of facility.
Earn 500 Fame.
Kill a member of your community to prevent them from turning.
Perform a hand to hand double kill special attack.
Max out a community member's Shooting skill.
Max out a community member's Wits skill.
Fix delicious snacks 5 times.
Craft ammunition 5 times.
Kill 25 zombies with incendiary shotguns.
Go out in a Blaze of Glory at Breakdown Level 1 or Higher.
Destroy 5 Bloaters (Breakdown Level 2 or Higher).
Perform 50 Zombie Executions at Breakdown Level 3 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 2.
Reach Breakdown Level 3.
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).
Destroy 5 Ferals (Breakdown Level 3 or Higher).
Earn 25 Headshot Streaks (Breakdown Level 4 or Higher).
Successfully extracted Timothy Hall.
Brought Eldridge to Black Friday, but he won't leave.
Successfully extracted Michele Martin.
Delivered 6 rucksacks to your base in the back of a single vehicle.
Successfully extracted Julene Horn.
Brought Thomas Horn to the Landing Zone, at least.
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 Hadley Westen.
Successfully extract Dan Bogatz.
Successfully extract Madison Grant.