Complex sentence: Nintendo is one of the world's largest video game companies by market capitalization, creating some of the best-known and top-selling video game franchises, such as "Mario", "The Legend of Zelda", and "Pokémon".
Split into simpler sentences: Nintendo is one of the world's largest video game companies by market capitalization. The company has created and released some of the best-known and top-selling video game franchises, such as "Mario", "The Legend of Zelda", and "Pokémon".