|Japanese translated||Yuiitsu Kurokawa|
|Tag Force||Empty Darkness|
|Tag Force 2||Empty Darkness|
|Tag Force 3||
- Empty Darkness
- E.S.P! E.S.P!
|Video game debut||Yu-Gi-Oh! GX Tag Force|
Brown, known as Yuiitsu Kurokawa in the Japanese version, is a character appearing in the Tag Force series. He is an Obelisk Blue student.
Brown is found at the Obelisk Blue dorm or the Stadium, and is grouped with Truly, Celia, Seydina, Dante and Rock as each of them wields a Deck of one of the six Attributes. Brown is the group's DARK user.
Upon acquiring his Deck Recipe, Brown also gifts the player with a "Two-Mouth Darkruler" card.
Brown is the only student that does not take part in the Tag Force tournament.
Tag Force 3
In Obelisk Blue Syrus' third event, Brown and Dante Tag Duel against the player and Syrus.
Tag Force 2-3
Brown uses DARK Decks in every game. He mostly uses Fiend-Type monsters with disruptive battle-based effects in the first installment, while his Decks in the later games are more Beatdown-oriented and also feature "Virus" cards.
Tag Force 2
Tag Force 3
Brown only uses his fourth Deck, "E.S.P! E.S.P!" (Ｅ・Ｓ・Ｐ！Ｅ・Ｓ・Ｐ！) during the story event that features him.