Here is the full list of all 116 UNDYING achievements.
1 death outside home.
Reach day 30 for the first time. Cody receives 3 skill points which can be used to unlock a basic skill in all saves (Can not be a Ultimate Basic Skill).
Use the bat to make 100 kills.
Kill 10 enemies in Unsafe areas.
Experience the third nighttime phone event.
Enter 1 Unsafe area.
Experience the second nighttime phone event.
Reach day 20 for the first time. Cody receives 2 skill points which can be used to unlock a basic skill in all saves (Can not be a Ultimate Basic Skill).
Experience one of Cody's illness events.
Experience the chapter Drowning.
Cody found 30 hidden objects.
In a single playthrough, Anling accumulates 10 symptoms.
Join Cody on the sofa once.
Reach day 10 for the first time. Cody receives 1 skill point which can be used to unlock a basic skill in all saves (Can not be a Ultimate Basic Skill).
Experience the first nighttime phone event.
Cody unlocked 10 locks alone.
Experience Anling's nightmare.
Cody found an item on an enemy.
Experience the chapter the Predicament.
Comfort Cody once
Unlock 1 basic skill for each of Cody's three skill branches.
Break the backyard target and repair it.
Experience the chapter DeadEnd.
Upgrade your car to the maximum level.
Enhance the baseball bat to the maximum level.
Anling consumes 100 rotten foods.
Enhance the dagger to the maximum level.
50 symptoms were cured using Meds.
Enhance the Crowbar to the maximum level.
Enhance the Metal Pipe to the maximum level.
Cody irrigated rabbit holes 10 times.
Enhance the axe to the maximum level.
Cody caught 20 fish.
Enhance the pistol to the maximum level.
Cody cooked five different foods.
Enhance the shotgun to the maximum level.
Cody made 50 items by himself.
Enhance the miner's pickaxe to the maximum level.
Enhance the long sword to the maximum level.
Cody repaired 10 items alone.
Enhance the spike trap to the maximum level.
Enhance the handmade mine to the maximum level.
Cody ran away from home.
Enhance the slingshot to the maximum level.
Achieve a single trip length of 10KM.
Deal 1 damage to Cody when in a mad state.
Achieve a single trip length of 50KM.
single trip length of 100KM.
Lead Cody in stealth for 6 hours in a day
Retrun to bed with only 1% left in Anling's madness countdown.
Achieve a single trip length of 150KM.
Achieve a single trip length of 200KM.
Cody's Food and Water value are above 90, while Anling's is 0.
Accumulate a travel distance of 5000KM in a single save file.
Kill 50 small animals.
Cody unlocks the skill "Fantastic idea".
Achieve 100 kills using the dagger.
Cody unlocks the skill "Shortcut".
Achieve 100 kills using the crowbar.
Cody unlocks the skill "Rapid-fire".
Achieve 100 kills using the axe.
Achieve 100 kills using the iron pipe.
Cody's food and water were at 0.
Achieve 100 kills using the pistol.
Achieve 100 kills using the shotgun.
Achieve 100 kills using the warblade.
Achieve 100 kills using the slingshot.
Cook 2 different hidden foods at the food bench.
Achieve 100 kills using Cody's slingshot with custom ammunition equipped.
Defeat an enemy with only 1HP left remaining.
Achieve 100 kills with bare hands.
Enter 10 Unsafe areas.
Enter 50 Unsafe areas.
Enter 100 Unsafe areas.
Kill 50 enemies in Unsafe areas.
Kill 100 enemies in Unsafe areas.
Kill 500 enemies in Unsafe areas.
Experience one of Anling's nighttime outbreak events.
Complete a trade with the wandering merchant at night.
Bring Hiiro the Cat home from the CITY using a pet cage.
Feed Hiiro the Cat her favorite food and she gives you a gift in return.
Find a drift box on the sea shore.
Discover the death of the old lady at the Beach Motel.
Experience the fourth nighttime phone event.
Experience the fifth nighttime phone event.
Experience Anling's suicide event after 35 days.
In a single save file, experience 8 declines with Anling.
Kill one enemy with “poison enhanced” weapons in the poisonous fog.
Get your own shotgun.
Kill 2 enemies with one shotgun fire.
Kill 3 enemies with one shotgun fire.
Experience the chapter Decision.
Kill 4 enemies with one shotgun fire.
Anling chooses the Awakening path.
Kill 5 enemies with one shotgun fire.
Receive totally 200 HP damage in the poisonous fog.
Anling chooses the Falling path.
Kill 50 poison “enhanced zombies” in one combat, in the poisonous fog.
Achieve the final chapter ResidualHeat.
Achieve the final chapter Burnout.
Pick up 10 poisoned mushrooms, 10 poisoned wildgreens, and 10 poisoned herbs in the poisonous fog.
Kill 20 poison vines.
Achieve the final chapter SparkOfFlame.
Achieve the final chapter Extinguish.
Visit 10 explorable spaces as Cody.
Visit 20 explorable spaces as Cody.
Visit 50 explorable spaces as Cody.
Visit 100 explorable spaces as Cody.
Reach day 40 for the first time. Cody receives 4 skill points which can be used to unlock a basic skill in all saves (Can not be a Ultimate Basic Skill).
Reach day 50 for the first time. Cody receives 5 skill points which can be used to unlock a basic skill in all saves (Can not be a Ultimate Basic Skill).
Reach day 60 for the first time. Cody receives 6 skill points which can be used to unlock a basic skill in all saves (Can not be a Ultimate Basic Skill).
Find 5 drift boxes on the seashore.
Successfully rescued the clown from the haunted house on the day he was found.
Experience the Cody anitode injection event.
Achieve all 4 epilogues (Unlocks item "Wooden Fish" at home in all saves).
Clear 10 "Unsafe Areas" in a single day (Unlocks item "Peachwood Sword" at home in all saves).