Complex sentence: Variations on the game include allowing participants to remove as many layers of paper as possible (rather than just one) before the music restarts, and including challenges or forfeits on slips of paper in place of mottos.
Split into simpler sentences: Variations on the game include allowing participants to remove as many layers of paper as possible (rather than just one) before the music restarts. Another variation includes challenges or forfeits on slips of paper in place of mottos.