The Episode 4: A Block and a Hard Place Add-on for Minecraft: Story Mode - A Telltale Games 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