Evil Hero Dark Gaia is a character version of the card "Evil HERO Dark Gaia". He appears in the video game Yu-Gi-Oh! 5D's World Championship 2009: Stardust Accelerator, as an unlockable opponent. The player can unlock him by using 300 Speed Spells. He also appears in the video games Yu-Gi-Oh! 5D's World Championship 2010: Reverse of Arcadia and Yu-Gi-Oh! 5D's World Championship 2011: Over the Nexus as an unlockable opponent