Full list of all 48 The Walking Dead achievements worth 600 gamerscore. It takes around 1-2 hours to unlock all of the achievements in the base game.
The base game contains 8 achievements worth 100 Gamerscore, and there are 5 DLC packs containing 40 achievements worth 500 Gamerscore.
Completed Episode 1: A New Day.
Chose between friends.
Finally reunited with your brother.
Met a girl at the end of her rope.
Chose between two sons.
Found help and are now responsible for a little girl.
Escaped from Sandra and met Clementine.
Freed from your cuffs, but...
Complete chapter 1 of episode 2.
Complete chapter 2 of episode 2.
Complete chapter 3 of episode 2.
Complete chapter 4 of episode 2.
Complete chapter 5 of episode 2.
Complete chapter 6 of episode 2.
Complete chapter 7 of episode 2.
Complete Episode 2: "Starved For Help"
Complete chapter 1 of episode 3.
Complete chapter 2 of episode 3.
Complete chapter 3 of episode 3.
Complete chapter 4 of episode 3.
Complete chapter 5 of episode 3.
Complete chapter 6 of episode 3.
Complete chapter 7 of episode 3.
Complete Episode 3: "Long Road Ahead"
Complete chapter 1 of episode 4.
Complete chapter 2 of episode 4.
Complete chapter 3 of episode 4.
Complete chapter 4 of episode 4.
Complete chapter 5 of episode 4.
Complete chapter 6 of episode 4.
Complete chapter 7 of episode 4.
Complete Episode 4: "Around Every Corner"
Complete chapter 1 of episode 5.
Complete chapter 2 of episode 5.
Complete chapter 3 of episode 5.
Complete chapter 4 of episode 5.
Complete chapter 5 of episode 5.
Complete chapter 6 of episode 5.
Complete chapter 7 of episode 5.
Complete Episode 5: "No Time Left"
Completed Vince's Chapter.
Completed Wyatt's Chapter.
Completed Russell's Chapter.
Completed Bonnie's Chapter.
Completed Shel's Chapter.
Completed the Epilogue.
Won a game of Rock/Paper/Scissors.
Found an old friend.