Exodia Necross is a character version of the card, "Exodia Necross". Exodia Necross appears in the video games, Yu-Gi-Oh! Ultimate Masters: World Championship 2006 and Yu-Gi-Oh! World Championship 2007. In World Championship 2006, he appears as a Theme Duelist and he challenges the player to successfully summon "Exodia Necross" and win the duel. In World Championship 2007, he appears as a Level Three Theme Duelist and he challenges the player to do the same challenges in 2006. By beating him, the player gets closer to unlocking Level Four Theme Duelists and a new Booster Pack.