Kaiser Umiuma (カイザーうみうま Kaizā Umiuma), is a character in Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist. This is a video game depiction of Kaiser Umiuma.
Kaiser Umiuma is an opponent available in the extra stage, which when available can be navigated to by moving left from Stage 1. Only one opponent can be available in this stage at a time. The available opponent can be switched to Kaiser Umiuma by entering the password,
83771069. The stage first becomes available after either of the passwords for its opponents have been entered.
Umiuma uses a Dragon Deck, which also contains all three Egyptian God cards.
The following cards can be won by defeating Umiuma. The chance of winning a card is indicated by the "%" (chance out of 100) and "2048th" (chance out of 2048) columns.