fallout 3 trophy help needed

hello people

im just startin fallout 3, what trophies can i possibly miss out on? how would i go about achievin all of em, becuase i dont want 2 just kill people or make a wrong decision (like blowing up Megaton) especially when i cant go bak.

thanks in advance

-Number of missable achievements: Scientific Pursuits, The G.O.A.T. Whisperer, The Wasteland Survival Guide, Strictly Business, Vault-Tec C.E.O.

Use this guide