He appears in-game after the player reaches Stage 13 of Duel World (DM), at which point his Character Unlock Missions become available. Prior to January 18, 2018, he was exclusive to the special eventDuelist Chronicles: Set Sail for the Kingdom, only being able to be unlocked during the event. He also appeared as a roaming Duelist in some special events.
White Gate Keys are normally required to Duel Yugi Muto at the Gate. During the special event Welcome to Toon World, Star Chips are required instead. Yami Yugi does not appear at the Gate while playing as Yugi Muto and vice versa.
Yugi Muto was a quiet, game-loving high school student leading an ordinary life... until he solved the Millennium Puzzle. Now destiny has opened the path to an unimaginable journey! His signature card is the mighty "Gandora the Dragon of Destruction" that has the power to wipe out everyone.
Until the end of your turn, the ATK of all face-up monsters on your field increases by the number of monsters on your field times 100. This skill can only be used once per turn.
Can be used only once after starting hands are dealt. Your starting hand is redrawn.
Can be used if your LP drops below 1000. Until the end of your opponent's next turn, neither you or your opponent can normal summon or special summon effect monsters, or activate monsters effects. This skill can be used once per duel.
My Monster Cards
If your Deck has 6 or more Level 4 or lower monsters with different names, you will have better choices of having a Level 4 or lower monster in your starting hand.
Before starting a duel with Yami Yugi, Yugi says "I must win this duel to prove that I'm ready to face the world on my own!"
When starting a Duel with Yami Yugi, Yugi says "It's our destiny to fight, and this is a fight that I must win!"
When he wins the Duel, he says "I'll never forget you, my friend. Never."
When starting a Duel with Yami Bakura, Yugi says "For everything I hold dear, I can't afford to lose this duel!"
When he wins the Duel, he says "It's over for you, Bakura!"
When Yugi Summons "Gandora the Dragon of Destruction", a cut-in frame of Yugi briefly appears, and he announces "Here's Gandora the Dragon of Destruction!" If that player hasn't already Summoned "Gandora the Dragon of Destruction" during that Duel, a cutscene of "Gandora the Dragon of Destruction" being Summoned plays afterwards.
When Yugi activates Gandora's first effect, he announces "Gandora's special ability! Boundless Gigarays!"
When Yugi activates Gandora's second effect, he announces "Gandora's special ability!"
When Yugi Summons "Silent Magician LV4" or "Silent Magician LV8", a cut-in frame of Yugi's face briefly appears, and he announces "I Summon Silent Magician!" When Summoning "Silent Magician LV8", if that player hasn't already Summoned "Silent Magician LV8" during that Duel, a cutscene of "Silent Magician LV8" being Summoned plays afterwards.
Most of the time when Yugi declares an attack with either monster, he announces "Silent Magician attack! Silent Burning Attack!"
When Yugi Summons "Buster Blader", a cut-in frame of Yugi briefly appears, and he announces, "Come, My All-Powerful Buster Blader!"
Most of the time when Yugi declares an attack with that monster, he announces "Buster Blader, attack! Dragon Sword!"
When Yugi Summons "Toy Magician", he mentions that the player may not be familiar with it, referencing the fact that Yugi only used it in the Yu-Gi-Oh! R manga. Its attack name also comes from that manga.