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