I think there should be an all bosses mode to beat all bosses as fast as possible I think it would be excellent since the bosses are made for speed running!

There is. Look under misc.

I mean like do all of them in one run not multiple runs

I mean like do all of them in one run not multiple runs

I mean like do all of them in one run not multiple runs

I mean like do all of them in one run not multiple runs

I know what you mean. There's a category for that under Misc.

ILs are different, and not tracked on speedrun.com. The IL leaderboard can be found at chr.mn (Mission Mode Score Leaderboard link on the side)