The Episode 2: Give No Shelter Add-on for The Walking Dead: Michonne (Windows) has 7 achievements worth 330 gamerscore.
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 Episode 2