Complex sentence: Monkey Island is the most well-known location in the south "Monkey Island" series of adventure games and the games often involve Guybrush Threepwood, the main character, searching for Monkey Island or being stranded on the island and trying to escape.
Split into simpler sentences: Monkey Island is the most well-known location in the "Monkey Island" series of adventure games. The games often involve Guybrush Threepwood, the main character, searching for Monkey Island or being stranded on the island and trying to escape.