Complex sentence: Over the years, Kinnie has achieved something of a cult status in various countries, due no doubt to the millions of tourists from Europe that have visited the sunny Mediterranean island of Malta and who remained "hooked" to the peculiar yet refreshing taste of Kinnie.
Split into simpler sentences: Over the years, Kinnie has made inroads in various countries, due no doubt to the millions of tourists from Europe that have visited the Mediterranean island of Malta. It is said that many tourists remain "hooked" to the peculiar yet refreshing taste of Kinnie.