As we've known for awhileFallout 76 was right in front of us all along. At the very beginning of Fallout 4, right before nuclear war drives your character into Vault 111, a television program can be seen touting the debut of Vault 76 in honor of America's 300th anniversary. Redditors have been highlighting this tease recently, which is something IGN pointed to in our detailed history of Vault 76.