The Episode 4: Who Needs You Add-on for Marvel's Guardians of the Galaxy: The Telltale Series has 6 achievements worth 200 gamerscore.
Complete Chapter 6 of Episode 4
Complete Chapter 5 of Episode 4
Complete Chapter 4 of Episode 4
Complete Chapter 3 of Episode 4
Complete Chapter 2 of Episode 4
Complete Chapter 1 of Episode 4