The chromatic cube is being discussed in the context of multiple games, including Magic: The Gathering and Diablo 4. Guides and tutorials are being published to help players master the chromatic cube in Magic: The Gathering's MTG Arena, as well as the Horadric Cube in Diablo 4. It is unclear if the chromatic cube in Magic: The Gathering is related to the Horadric Cube in Diablo 4, or if they are separate entities.