Full list of all 21 The Walking Dead: Michonne achievements worth 1,000 gamerscore.
The base game contains 7 achievements worth 330 Gamerscore, and there are 2 DLC packs containing 14 achievements worth 670 Gamerscore.
Completed Episode 1
Completed Chapter 6 of Episode 1
Completed Chapter 5 of Episode 1
Completed Chapter 4 of Episode 1
Completed Chapter 3 of Episode 1
Completed Chapter 2 of Episode 1
Completed Chapter 1 of Episode 1
Completed Episode 2
Completed Chapter 6 of Episode 2
Completed Chapter 5 of Episode 2
Completed Chapter 4 of Episode 2
Completed Chapter 3 of Episode 2
Completed Chapter 2 of Episode 2
Completed Chapter 1 of Episode 2
Completed Episode 3
Completed Chapter 6 of Episode 3
Completed Chapter 5 of Episode 3
Completed Chapter 4 of Episode 3
Completed Chapter 3 of Episode 3
Completed Chapter 2 of Episode 3
Completed Chapter 1 of Episode 3