Yu-Gi-Oh! Ultimate Masters: World Championship 2006: Free Duel Opponents

Kuriboh

 * How to Unlock: Available from the start.
 * Deck Name:
 * EN: Kuriboh & Friends
 * JP: クリボー＆フレンズ


 * Deck Type: Starter Deck (mixed card from Yugi's, Joey's and Kaiba's Starter Decks)

Scapegoat

 * How to Unlock: Available from the start.
 * Deck Name:
 * EN: Adversity Monsters
 * JP: 逆境モンスターズ


 * Deck Type: Skill Drain Deck

Skull Servant

 * How to Unlock: Available from the start.
 * Deck Name:
 * EN: Skull Servant Kingdom
 * JP: ワイトキングダム (Wight Kingdom)


 * Deck Type: Skull Servant OTK

Watapon

 * How to Unlock: Available from the start.
 * Deck Name:
 * EN: Shining Power
 * JP: シャイニングパワー


 * Deck Type: LIGHT Beatdown Deck

White Magician Pikeru

 * How to Unlock: Available from the start.
 * Deck Name:
 * EN: Friend from the Magic Land
 * JP: 魔法の国のお友達


 * Deck Type: Female Spellcaster Deck

Batteryman C

 * How to Unlock: Defeat all opponents from the first tier at least once each.
 * Deck Name:
 * EN: Full Charge Deck
 * JP: フルチャージデッキ


 * Deck Type: Machine Deck/Batteryman AA OTK

Ojama Yellow

 * How to Unlock: Defeat all opponents from the first tier at least three times each.
 * Deck Name:
 * EN: Preventers Deck
 * JP: おジャマジャマデッキ (Ojama Jammer Deck)


 * Deck Type: Spatial Collapse Lockdown

Goblin King

 * How to Unlock: Defeat all opponents from the first tier at least three times each.
 * Deck Name:
 * EN: Dark Feast Deck
 * JP: 魔王の響宴デッキ (Demon King's Feast Deck)


 * Deck Type: Fiend Beatdown Deck

Des Frog

 * How to Unlock: Defeat all opponents from the first tier at least five times each.
 * Deck Name:
 * EN: Frog Warning Deck
 * JP: カエル注意報デッキ


 * Deck Type: Frog Deck

Water Dragon

 * How to Unlock: Defeat all opponents from the first tier at least five times each.
 * Deck Name:
 * EN: Elixir Deck
 * JP: 生命の源デッキ (Life Source Deck)


 * Deck Type: WATER Beatdown Deck