Full list of all 35 Life Is Strange: Before The Storm trophies - 15 bronze, 15 silver, 4 gold and 1 platinum.
The base game contains 12 trophies, and there are 2 DLC packs containing 23 trophies.
Complete all other trophies
Complete Episode 1: Awake
Complete the optional graffiti #10 in Episode 1: Awake
Complete the optional graffiti #9 in Episode 1: Awake
Complete the optional graffiti #8 in Episode 1: Awake
Complete the optional graffiti #7 in Episode 1: Awake
Complete the optional graffiti #6 in Episode 1: Awake
Complete the optional graffiti #5 in Episode 1: Awake
Complete the optional graffiti #4 in Episode 1: Awake
Complete the optional graffiti #3 in Episode 1: Awake
Complete the optional graffiti #2 in Episode 1: Awake
Complete the optional graffiti #1 in Episode 1: Awake
Complete Episode 2: Brave New World
Complete the optional graffiti #10 in Episode 2: Brave New World
Complete the optional graffiti #9 in Episode 2: Brave New World
Complete the optional graffiti #8 in Episode 2: Brave New World
Complete the optional graffiti #6 in Episode 2: Brave New World
Complete the optional graffiti #7 in Episode 2: Brave New World
Complete the optional graffiti #5 in Episode 2: Brave New World
Complete the optional graffiti #4 in Episode 2: Brave New World
Complete the optional graffiti #3 in Episode 2: Brave New World
Complete the optional graffiti #2 in Episode 2: Brave New World
Complete the optional graffiti #1 in Episode 2: Brave New World
Complete Episode 1, Episode 2 and Episode 3 of Life is Strange: Before the Storm
Complete Episode 3: Hell Is Empty
Complete the optional graffiti #10 in Episode 3: Hell Is Empty
Complete the optional graffiti #9 in Episode 3: Hell Is Empty
Complete the optional graffiti #8 in Episode 3: Hell Is Empty
Complete the optional graffiti #6 in Episode 3: Hell Is Empty
Complete the optional graffiti #7 in Episode 3: Hell Is Empty
Complete the optional graffiti #5 in Episode 3: Hell Is Empty
Complete the optional graffiti #4 in Episode 3: Hell Is Empty
Complete the optional graffiti #3 in Episode 3: Hell Is Empty
Complete the optional graffiti #2 in Episode 3: Hell Is Empty
Complete the optional graffiti #1 in Episode 3: Hell Is Empty