Complex sentence: The 18th century saw tarot's greatest revival, during which it became the most popular card game in Europe, played everywhere except British Isles, the Iberian peninsula, and the Ottoman Balkans.
Split into simpler sentences: The 18th century saw tarot's greatest revival, during which the games became the most popular in Europe. It was played everywhere in Europe with the exception of the British Isles, the Iberian peninsula, and the Ottoman Balkans.