Vault 81 is one of the few remaining vaults that hasn’t been subjected to some horrific backstory where the inhabitants were killed, mutated, or transformed. Ultimately, it’s worth chasing down each one for the sheer novelty of what they offer more than anything else. Some have access to very powerful items while others are more about the journey. This list has also been updated to give players an idea of what rewards and loot are available for completing each quest. Fortunately, some have multiple triggers, but others, unfortunately, rely upon dumb luck or prior knowledge to start. Updated on Augby Ben Baker: Given how common it is for players to miss these secret side quests, it seemed like a good idea to give details on how to start each one. Here are 10 of those secret side quests which you may have missed. These can be triggered in strange ways or require more meticulous exploration to find than most are willing to do. RELATED: Every Fallout Game In Chronological Orderīut in addition to these obvious quests, players can stumble upon more secretive interactions that not all or even most people will ever find. For completionists, this can represent hundreds of hours of gameplay to resolve every conflict, retrieve every item, and explore important areas in Fallout 4. In Fallout 4, there are a large number of quests for players to complete in addition to the lengthy main quest.