There were attempts. First of all, there's no way to port the graphics because FOT used a different perspective than FO1 and FO2. Secondly the engine itself is

There were attempts. First of all, there's no way to port the graphics because FOT used a different perspective than FO1 and FO2. Secondly the engine itself is very limited so dialogue would have to boil down to singular yes-or-no questions (among other limitations). There's really no way to make a more atmospheric game with that engine than FOT itself.