Discussions on various topics. Lots of off-topic content.

There are secondary and primary components. First and foremost, there should be a good storyline. If it's missing, the game won't be good, no matter what. A mediocre graphics level will suffice. Although, of course, there are plenty of "spoiled" gamers (and I'm not talking about you, don't get me wrong), who only want top-notch graphics, and if the graphics are bad, they immediately start complaining.

why were so many mods of various kinds created for it (and are still being created!)?

And why was Britney Spears (and still is!) so popular?