Full list of all 45 The Walking Dead: Saints & Sinners achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Speak to a character while in guts-mode
Give up a total of 10 items to survivors in need.
Kill 10 enemies with propane tank explosions
Kill 10 elite walkers by braining them with the Esteemed Mortal
Kill 3 enemies in a single propane tank explosion
Unlock all craftables and complete the story
Unlock all craftables (including found recipes)
Use guts-mode 15 times.
Open every safe
Collect every angel statue and bring them back to the bus
Survive 30 complete days in New Orleans (waking up, traveling to a location, and sleeping at night)
Ignite a propane tank with an explosive arrow
Eat 10 low quality food items
Craft 5 different items from the Gear Station
Decide May's fate
Decide Casey's fate
Craft 5 different items from the Gun Station
Get the key to the Reserve
Craft and eat one of each craftable food item
Craft 5 different items from the Survivalist Station
Eat 10 different food items in one day cycle
Meet Georgia
Meet JB
Visit all locations
Find an important Ambre Drawing
Craft all types of meds and bandages (1 of each)
Fully Upgrade the Gun Station
Kill 13 walkers with a spiked baseball bat
Score a basket in the Rampart gymnasium with a basketball
Climb a total of 50 meters.
Fully Upgrade the Survival Station
Kill 30 humans
Fully Upgrade the Gear Station
Brain 20 walkers with a screw driver
Take medicine while you have no trace of sickness
Collect 5 pillows and bring them back to the bus
Eat 3 Twinkle Toes
Repair the first pump
Brain 100 Walkers
Kill 15 unaware enemies
Survive a stirred herd for 2 minutes
Grapple with walkers 50 times
Meet May
Fill every slot in your backpack
Make Contact with Casey