Guinness World Records have officially recognised Yu-Gi-Oh! as the top selling trading card game of all time with more than 22.5 billion cards sold since its introduction a decade ago.
Yu-Gi-Oh! was first created as a manga by Kazuki Takahashi in 1996 before spawning into a huge franchise, which includes anime series, video & online games, and trading card games etc.
The collectible card game is developed and published by Konami since 1999; more about the game on Wiki [image from Yugioh-card]