I committed myself to finish every official Doom game. I finished Doom 2016, Doom Eternal + expantions, Doom 1, Doom 2 (i also did 17 master levels, so still got 3 to do). Now i´m playing Doom 3, about half way trough. After that i will play Doom 64.
Btw, i played Doom 1 and 2 on ultra...