WTMG’s Leo Faria: “That made me wonder all of the other ways we can play Doom without the need of registering to a Bethesda.Net account. I decided to list all of the ways I could find, but considering this is Doom, I’m sure I’m forgetting a lot of them. Here we go!”
Source: N4G PC A Bunch of Ways You Can Play Doom Without the Need of a Bethesda.net Account