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