Yu-Gi-Oh! World Championship 2011

Champion
Ogawa Takashi “アーサー” (Japan) [Agent Fairy]

1st Runner-up
Murakoshi Kei “王子” (Japan) [Junk Doppel]

2nd Runner-up
Galileo De Obaldia (Panama) [Junk Doppel]

3rd Runner-up
Phanupak Kongjaroen “Foil” (Thailand) [Machina Gadget]

Top 8
Michel Grüner (Germany) [Junk Doppel]
She Wei Hao (Taiwan) [Six Samurai]
Yang Young-Duck (South Korea) [Six Samurai]
Kaven Sue Zhen Xian (Singapore) [Junk Doppel]

Preliminary Non-Qualified Players
Kim Just Jensen (Denmark) [Disaster Dragon]
Thomas Mak (USA) [Agent Fairy]
Kee Kian Sim “Sam” (Malaysia) [Six Samurai]
Raul Fernandez (Spain) [Worm]
William Pedigo (USA) [Agent Fairy]
Joseph Bogli (USA) [Junk Doppel]
Osawa Yusuke “バブル” (Japan) [Junk Doppel]
William Israel Sy “Wslasher” (Philippines) [Six Samurai]
Tang Bo “Tample” (Canada) [Agent Fairy]
Justin Womack (USA) [Empty Jar]
Jose Ubilla (Ecuador) [Machina Gadget]
Hansel Aguero (USA) [T.G. Beast]
Kevin Matsuoka (New Zealand) [T.G. Plant]
Luke Lennard (UK) [Six Samurai]
Jose Cubero (Costa Rica) [Junk Doppel]
Aaron Dennis (New Zealand) [Frog Monarch]
Waga Tadashi “syelu” (Japan) [Junk Doppel]
Lui Hoi Ki “海狗” (Hong Kong) [Six Samurai]

The World Championship uses a special Forbidden & Limited Cards list to ensure that all competitors are on a level playing field.

Credits to DuelingDays for Top 8 decks information.

Yu-Gi-Oh! World Championship 2011

Player: Ogawa Takashi
Deck: Agent Fairy
Rank: World Champion
Source: Wildheart’s Blog

Monsters: 19
3 Master Hyperion
3 The Agent of Mystery – Earth
3 The Agent of Creation – Venus
3 Mystical Shine Ball
3 Herald of Orange Light
2 Archlord Kristya
1 Sangan
1 Honest

Spells: 12
3 Pot of Duality
3 Cards from the Sky
1 Dark Hole
1 Giant Trunade
1 Monster Reborn
1 Book of Moon
2 Mystical Space Typhoon

Traps: 9
1 Solemn Judgment
2 Solemn Warning
2 Bottomless Trap Hole
2 Dust Tornado
1 Torrential Tribute
1 Trap Dustshoot

Extra: 15
1 Trishula, Dragon of the Ice Barrier
1 Mist Wurm
1 Scrap Dragon
1 Stardust Dragon
1 Black Rose Dragon
1 Ancient Sacred Wyvern
1 Gaia Knight, the Force of Earth
1 Brionac, Dragon of the Ice Barrier
1 T.G. Hyper Librarian
1 Magical Android
1 Ally of Justice Catastor
1 Armory Arm
1 Grenosaurus
2 Gachi Gachi Gantetsu

Side: 15
1 Gorz the Emissary of Darkness
2 Thunder King Rai-Oh
3 Kinetic Soldier
2 Gozen Match
2 Chain Disappearance
3 Dimensional Prison
1 Dust Tornado
1 Malevolent Catastrophe

Yu-Gi-Oh! World Championship 2011

Player: Tang Bo
Deck: Agent Fairy
Rank: World Championship Participant
Source: Newwise Forum

Monsters: 20
2 Archlord Kristya
3 Master Hyperion
2 Thunder King Rai-Oh
3 The Agent of Creation – Venus
1 Honest
3 The Agent of Mystery – Earth
3 Mystical Shine Ball
3 Herald of Orange Light

Spells: 12
2 Cards from the Sky
2 Pot of Duality
2 Mystical Space Typhoon
1 Book of Moon
1 Dark Hole
1 Giant Trunade
2 Forbidden Lance
1 Monster Reborn

Traps: 8
1 Torrential Tribute
1 Call of the Haunted
1 Solemn Judgment
2 Solemn Warning
1 Royal Oppression
1 Seven Tools of the Bandit
1 Mirror Force

Extra: 15
2 Gachi Gachi Gantetsu
1 Armory Arm
1 Magical Android
1 Ally of Justice Catastor
1 T.G. Hyper Librarian
1 Gaia Knight, the Force of Earth
1 Brionac, Dragon of the Ice Barrier
1 Ancient Sacred Wyvern
2 Black Rose Dragon
1 Scrap Dragon
1 Stardust Dragon
1 Trishula, Dragon of the Ice Barrier
1 Chimeratech Fortress Dragon

Side: 15
1 Puppet Plant
1 Kinetic Soldier
2 D.D. Crow
2 Banisher of the Radiance
2 Cyber Dragon
1 Dust Tornado
2 Bottomless Trap Hole
1 Gozen Match
1 Rivalry of Warlords
2 Royal Decree

Yu-Gi-Oh! World Championship 2011

This is the special Limited and Forbidden list used only for the World Championship 2011, held on the 13th – 14th August 2011 at Amsterdam, Netherlands.

Source: syelu’s Blog

Forbidden
Japanese Forbidden List
TCG Exclusives

Normal Monsters from early Japanese Booster Set
Duel Terminal 9 and subsequent Duel Terminal Set
Generation Force and subsequent Booster Set
Structure Deck: Gates of the Underworld
Malefic Stardust Dragon
Beast King Barbaros
Elemental HERO Absolute Zero
Elemental HERO The Shining
Elemental HERO Great Tornado
Elemental HERO Nova Master
Elemental HERO Escuridão
Alector, Sovereign of Birds
Dark Highlander
Meklord Emperor Wisel
Sephylon, the Ultimate Time Lord
Shooting Quasar Dragon
Dark End Dragon
Gallis the Star Beast
Darklord Asmodeus
Darklord Superbia
Parallel World Fusion
Elemental HERO Flash
A Hero Lives
Gladiator Beast Lanista
Steelswarm Roach
Subscription Promos
V-Jump Edition
Other Limited Promos

Limited
Japanese Limited List (Notable card: Trishula, Dragon of the Ice Barrier)
T.G. Hyper Librarian
Meklord Astro Mekanikle
Meklord Emperor Granel

Semi-limited
Japanese Semi-limited List

Yu-Gi-Oh! World Championship 2011

Player: Kim Just Jenson
Deck: Disaster Dragon
Rank: World Championship Participant
Source: DuelistGroundz Forum

Monsters: 19
3 Thunder King Rai-Oh
3 Koa´ki Meiru Drago
3 Red-Eyes Darkness Metal Dragon
3 Red-Eyes Wyvern
3 Masked Dragon
2 Exploder Dragon
1 Delta Flyer
1 Effect Veiler

Spells: 11
3 Pot Of Duality
2 Gold Sarcophagus
2 Mystical Space Typhoon
1 Future Fusion
1 Monster Reborn
1 Dark Hole
1 Book Of moon

Traps: 10
2 Solemn Warning
2 Dimensional prison
2 Dust Tornado
1 Torrential Tribute
1 Solemn Judgment
1 Bottomless Trap Hole
1 Call Of The Haunted

Extra: 15
2 Chimeratech Fortress Dragon
2 Black Rose Dragon
1 Trishula, Dragon Of The Ice Barrier
1 Brionac, Dragon Of The Ice Barrier
1 Gaia Knight, The Force Of Earth
1 Ally Of Justice Catastor
1 Five-Headed Dragon
1 Number 39: Utopia
1 Exploder Dragonwing
1 Colossal Fighter
1 Stardust Dragon
1 Scrap Dragon
1 Grenosaurus

Side: 15
1 Gorz The Emissary Of Darkness
1 Breaker The Magical Warrior
1 D.D. Crow
2 Cyber Dragon
1 Mind Control
2 Pulling The Rug
2 Black Horn Of Heaven
1 Chain Disappearance
2 Rivalry Of Warlords
2 Malevolent Catastrophe