Complex sentence: Due to a changing student body and new drug and alcohol policies enforced by the administration, the game has all but drifted into obscurity at the school-only about a dozen students meet off-campus to play the once-legendary game.
Split into simpler sentences: Due to a changing student body and new drug and alcohol policies enforced by the administration, the game has all but drifted into obscurity. Today, only about a dozen students meet off-campus to play the once-legendary game.