I couldn't think of a reason to not add this to the categories

How do you record a demo on Xbox?

There's a prequel category so I don't see why not

Why are there no time trials for individual courses?

How do mods tell the difference between 1 person on 2 controllers and 2 people on 2 controllers?

Sorry, that was me being thick there

How do moderators tell the difference between a PC and Console run?

How do moderators tell the difference between 1 person using 2 controllers (Solo) and 2 people using 2 controllers (Co-op)?