See how to join this sneaky group with the full guide below. These synthetic people are indistinguishable from real humans, and nobody knows why they’re replacing ordinary citizens all along the coast. The greatest fear in the Boston wasteland aren’t raiders or super mutants, but the dreaded Institute synths. If you’re stuck on their introduction quest, need puzzle answers, or don’t even know where to start - we’ve got you covered.Īt the center of the Commonwealth you’ll find Diamond City, where rumors and paranoia rules the day. These plucky freedom fighters work underground to dismantle the evil Institute. The Brotherhood of Steel is the flashiest faction of Fallout 4, but don’t count out the humble Railroad.