The Mario series is a series of highly popular and acclaimed video games by Nintendo, featuring Nintendo's mascot Mario and, in many games, his brother Luigi. Gameplay in the series often centers around jumping on and defeating enemies. The games usually feature simple plots; the most common theme is that of Bowser, the main antagonist, kidnapping Princess Peach, whom Mario saves. The series includes over 200 games, which have sold over 200 million copies total, making it the best-selling video game series of all time.