He appears in the "Fear the Deck of Terror! The Destiny Board of Doom" event, where players collect 10-sided dice to challenge him to a duel, similar to Maximillion Pegasus' Toon World event. He can additionally be unlocked as a playable character, and similar to Yugi, events where he appears in Duel World as an NPC have also been scheduled.
As an event opponent he has the special Skill "Destiny Board of Doom," letting him start with Dark Necrofear in his Graveyard and Destiny Board active. Prior to the 1.7 update this applied to Dueling him at any level as opposed to only Level 40 and up, and he would additionally always go first, but this was removed.
When Yugi's classmate Bakura was possessed by the evil spirit within the Millennium Ring, he transformed into Yami Bakura. He is merciless and will stop at nothing to achieve his goal. Yami Bakura's Occult Deck focuses on Fiend and Zombie-Type cards.
Can be used each time your Life Points decreases by 1000. Send the card on the top of your Deck to the Graveyard, and recover 300 LP.
Draw Sense: DARK
Can be used each time your Life Points decrease by 1500. In the Draw Phase, instead of doing a normal draw, draw a random DARK-Attribute monster.
Tether of Defeat
Can be used when one of the opponent's monster is destroyed in battle. The Top card from either your or the opponents deck is sent to the graveyard.
Can be used if Dark Necrofear is in your Graveyard, and your LP are at 2000 or below. At the end of your 5th turn after activating this skill, you win the Duel. This skill is negated if "Dark Necrofear" leaves your Graveyard. This skill can only be used once per Duel.
Can be used when one of your monsters is destroyed by battle. 1 random Fiend-Type monster from your Deck is sent to the graveyard.
Dark Master Zorc is a reference to the Monster World game from the manga.
Character Specific Dialogue
When starting a Duel with Yami Yugi, Yami Bakura will say "Every game has an end. It's just a question of who the victor will be." followed by "And who will spend eternity roaming the Shadow Realm!"
When he loses, he'll say "I wouldn't be celebrating if I were you." followed by "I'll be back to show you that your victory was all in vain!"
When starting a Duel with Yami Marik, Yami Bakura will say "Talk it up while you can..." followed by "You'll be the one living in eternal darkness!"
When he loses, he'll say "You haven't seen the last of me!"