Red-Eyes Darkness Dragon is a character version of the card, "Red-Eyes Darkness Dragon".
Red-Eyes Darkness Dragon appears in the video games Yu-Gi-Oh! Ultimate Masters: World Championship 2006 and Yu-Gi-Oh! World Championship 2007. In World Championship 2007, it appears as a Level One Limited Duelist and it challenges the player to only include DARK monsters in the Deck. By beating it, the player gets closer to unlocking Level Two Limited Duelists and a new Booster Pack.
In World Championship 2006, Red-Eyes Darkness Dragon plays a Dragon Deck titled "Pride of Dragons". In World Championship 2007, it plays a DARK Deck titled "Turn Off the Light".