The following is a list of partners you can use to team with in World Championship Tag Team battles.

Unlock Leo:
Duel 10 times and agree to be your partner.

Unlock Yusei:
Duel 10 times and agree to be your partner.

Unlock Akiza:
Duel 10 times and agree to be your partner.

Unlock Bolt:
Duel 10 times and agree to be your partner.

Unlock Luna:
Duel 10 times and agree to be your partner.

These features become available for the indicated characater when you complete the corresponding task.

Unlock Jack's Frame (Wheel of Fortune):
Complete ALL Battle races with an 'S' Rank.

Unlock Yusei's Frame:
Complete ALL Time Attack races with an 'S' Rank.

When you have collected 85.0% of ALL the cards the security helmet will become an available option.

This feature becomes an available option when you have unlocked 20 Tag Opponents in WC mode.

This feature which allows you to use a Forbidden card in your deck becomes an available option when you have 90.0% of ALL the cards.

When you have collected 80.0% of ALL the cards this feature which allows you to view the CPU battle will become an available option.

This feature which allows you to duel against one of your own deck recipes becomes an available option when you obtain 90.0% of ALL cards.

When you complete the following tasks the corresponding Duel Disk will become an available option.

Unlock 5D's Standard Disk:
Have from start.

Unlock Academy Disk Red:
Beat the level 1 tournament once.

Unlock Black Jail Disk:
Beat the level 2 tournament once.

Unlock Academy Disk Yellow:
Beat the Tag tournament once.

Unlock K.C. Mass Production Disk:
Located in the Detention Center in Story mode.

Unlock Wheel of Fortune Disk:
Complete the Story mode.

Unlock Leo's Custom Disk:
Defeat Luna and Leo in Tag Duel 10 times.

Unlock Yusei's Hybrid Disk:
Defeat Yusei 10 times.

Unlock Luna's Custom Disk:
Have 10 Duels end in ties.

When you complete ALL Time Attack and Battle races with a rank of 'S' the Duel Runner Frames for Jack (Wheel of Fortune) and Yusei will become available.

Single Duel Opponents
Listed alphabetically below are the Single duel opponents and the task that need to be completed to unlock them for World Championship mode. Some opponents can be unlocked by defeating them in Story mode 5 times. If a requirement requires summoning, the summon must appear in the 'Duel Result' to count.

Unlock Alien Overlord:
Buy ALL the center parts of the D Wheel.

Unlock Antique Gear Ultimate Golem:
Summon Antique Gear Ultimate Golem.

Unlock Arcana Force EX - The Dark Ruler:
Summon Arcana Force Ex - The Dark Ruler.

Unlock Barbaros:
Accumulate 200 hours of game play.

Unlock Blue Eyes White Dragon:
Summon Blue Eyes Ultimate Dragon.

Unlock Bryonac - Ice Dragon Boundary:
Synchro Summon 200 times.

Unlock Colosal Fighter:
Buy ALL the front parts of the D Wheel.

Unlock Dark Armed Dragon:
Summon Armed Dragon Level 10.

Unlock Doom Dozer:
Buy ALL the rear parts of the D Wheel.

Unlock Dragon D End:
Summon D Hero Bloo-D.

Unlock E HERO Dark Gaia:
Use 300 Speed Spell.

Unlock E HERO Hell Gainer:
Accumulate 50 hours of game play.

Unlock Endymion:
Win ALL single tournaments once each.

Unlock Exodios:
Win using Exodios' effect.

Unlock Gladiator Beast Gyzarus:
Summon Heraklinos.

Unlock Horus Level 8:
Use magic card 750 times.

Unlock Jinzo Ningen - Psycho Lord:
Use Trap card 500 times.

Unlock Judgment Dragon:
Special Summon 1,000 times.

Unlock Light And Darkness Dragon:
Accumulate 100 hours of game play.

Unlock Montage Dragon:
Complete ALL 5 duel puzzles in Story mode.

Unlock Stardust Dragon/Assault Mode:
Summon Stardust Dragon/Assault mode.

Unlock Ultimate Insect Level 7:
Summon Perfect Ultimate Great Moth.

Unlock Venominaga:
Summon Venominaga.

Unlock Yubel:
Summon Yubel Das Extremer Traurig Drachen (3rd form).


Tag Duel Opponents
Listed below in alphabetical order are the Tag Duel opponents and how to unlock them for World Championship mode. Some opponents become available by defeating Tag teams in Story mode 5 or 10 times. If a requirement requires summoning the summon must appear in the 'Duel Result' to count.

Unlock Abyss Soldier and Neo Daedalus:
Have at least 10,000 DP.

Unlock Breaker Magical Warrior and Marauding Captain:
Listen to the tag explanation in Story mode.

Unlock Cyber Dragon and Drillroid:
Summon Super Vehicroid Jumbo Drill.

Unlock Cyber End Dragon and Chimeratech Overdragon:
Reach at least 20,000 Attack Points.

Unlock Dark Armed Dragon and Dark Monarch Gaius:
Win the Tag Tournament 3 times.

Unlock DD Survivor and Wind Monarch Raiser:
Riding Duel 200 times.

Unlock E Hero Airman and D Hero Devilguy:
Riding Duel 100 times.

Exodia and Tragodiea:
Win using Exodia's effect.

Unlock FGD and Cyber Dark Dragon:
Summon FGD.

Unlock Golgar and Venominaga:
Win using Venominaga's effect.

Unlock Horseytail and Gokipon:
Listen to the tag explanation in Story mode.

Unlock Horus Level 8 and Silent Swordman Level 5:
Win 5 times against 20 tag pairs in World Championship mode.

Unlock Medium of Ice Boundary and Flamevell Baby:
Tag Duel 150 times.

Unlock Mist Valley Soldier and Red Dragon Archfiend-Assault Mode:
Summon Red Dragon Archfiend-Assault mode.

Unlock Rainbow Dark Dragon and Fire Wagon:
Summon Rainbow Dark Dragon.

Unlock Raioh and Batteryman Charger:
Win 5 times against 10 tag pairs in World Championship mode.

Unlock Ruin and Demise:
Win using Final Countdown.

Unlock Simorgh Divinity and Simorgh Ancestry:
Tag Duel 50 times.

Unlock Spirit Reaper and Necrofear:
Win using Destiny Board.

Unlock The Splendid Venus and Summoned Skull:
Win the Tag Tournament 5 times.

Unlock Super Conductor Tyranno and Ultimate Tyranno:
Tag Duel 200 times.

To reach the following levels you must unlock the indicated amount of tournament opponents in the corresponding level.

Unlock Tournament Level 1:
This level becomes available when you unlock 15 level 1 tournament opponents

Unlock Tournament Level 2:
This level becomes available when you unlock 15 level 2 tournament opponents

Unlock Tournament Level 3:
This level becomes available when you unlock 15 level 3 tournament opponents