Starting with the three easiest characters you’ll be able to get.
To Unlock GX, you need to Unlock Jaden himself. To do that, you need to summon 10 Warrior-Type monsters in total and have reached Stage 8 of DM World.
Doing so gets you 10 Gems and 1 Winged Kuriboh.
Jaden Yuki’s Skills
ヒーローの戦う舞台 Where the Heroes Dwell
Can be used after your Life Points are 2000 or below.
Play the Field Spell “Skyscraper”. If there already is Field Spell on your side of the Field, Return it to your hand. This skill can only be used once per duel.
融合ヒーロー Fusion Time! (Level 4)
Can be used each time your Life Points decrease by 1500. In the Draw Phase, instead of doing a normal draw, Polymerization spell card, from outside of your Deck, is added to your hand.
戦力補充 Reinforcement (Level 13)
Can be used each time your Life Points decrease by 1800. Return 1 card from your hand to your Deck and draw a random Warrior-Type monster.
奇跡の融合 Miracle Fusion (Drop)
Can be used if your Life Points drop below 500. In the Draw Phase, instead of doing a normal draw, Miracle Fusion spell card, from outside of your Deck, is added to your hand. This skill can only be used once per Duel.
Starter Deck:
1 Elemental HERO Neos
3 Elemental HERO Burstinatrix
3 Elemental HERO Avian
3 Oscillo Hero
3 Beaver Warrior
1 Card Ejector
1 Winged Kuriboh
3 Kishido Spirit
2 Fusion Gate
Level 40 Deck:
1 Elemental HERO Neos
1 Elemental HERO Stratos
2 ELemental HERO Sparkman
1 Elemental HERO Necroshade
1 Elementla HERO Wildheart
1 Elemental HERO Blazeman
2 Elemental HERO Clayman
1 Elemental HERO Bubbleman
1 R – Righteous Justice
1 E – Emergency Call
1 H – Heated Heart
1 O – Oversoul
1 Skyscraper
1 Dark Factory of Mass Production
2 Polymerization
1 Fusion Sage
1 Negate Attack
2 Elemental HERO Thunder Giant
1 Elemental HERO Darkbright
1 Elemental HERO Necroid Shaman
1 Elemental HERO Mudballman
Unique Level Up Rewards:
Level 3: Elemental HERO Wildheart
Level 7: Feather Wind
Level 10: Elemental HERO Flame Wingman
Level 11: Elemental HERO Bubbleman
Level 14: Elemental HERO Mariner
Level 16: Elemental HERO Steam Healer
Level 18: Elemental HERO Necroshade
Level 21: Elemental HERO Flame Wingman
Level 23: Elemental HERO Clayman
Level 25: O – Oversoul
Level 33: Miracle Flipper
Level 35: Skyscraper
Level 38: O – Oversoul
Level 40: R – Righteous Justice
Unique Drops:
Elemental HERO Neos (UR)
Elemental HERO Tempest (SR)
Elemental HERO Thunder Giant (SR)
Winged Kuriboh (SR)
The Flute of Summoning Kuriboh (SR)
Elemental HERO Sparkman (R)
Elemental HERO Bubbleman (R)
Elemental HERO Wildheart (R)
Card Ejector (R)
Spark Blaster (R)
Chazz Princeton
To Unlock Chazz you need to Reach Stage 6 of GX World and then perform the 3 following missions:
- Beat Chazz as Jaden and perform a Comeback Victory.
- Summon Thunder-Type Monsters 3 times in total.
- Use Trap Cards 5 Times
For those unaware, the Thunder related Unlock requirement is a reference to his Japanese moniker, “Manjoume Thunder”, which plays off him demanding people refer to him resepctfully: “Manjoume-san da!”
Chazz’s Skills:
おジャマたちの故郷 Ojama Country
Begins Duel with the Field Spell “Ojama Country” activated.
ドローセンス:ローレベル Draw Sense: Low Level (Level 4)
Can be used each time your Life Points decrease by 1800. In the Draw Phase, istead of doing a normal draw, draw a level 1-4 monster card.
行けおジャマ!Go, Ojama! (Level 12)
Can be used each time your Life Points decrease by 1800. Summon 1 Ojama Token (Defense Position) on your opponent’s side of the field.
Starter Deck:
3 Ojama Yellow
3 Ojama Green
3 Ojama Black
3 Fairy Dragon
3 Flame Viper
3 Dark Plant
1 Gemini Imps
1 Polymerization
1 Ojama King
Level 40:
3 Flying Kamakiri #1
3 Armed Dragon LV3
3 Armed Dragon LV5
1 Armed Dragon LV7
3 Masked Dragon
1 Megamorph
1 Lightning Vortex
1 Dragon’s Gunfire
1 Stamping Destruction
1 Chthonian Blast
2 Regret Reborn
Level Up Rewards:
Level 3: Armed Dragon LV3
Level 7: Ojama Knight
Level 10: Ojama Country
Level 11: Enchanting Fitting Room
Level 14: Ojama Blue
Level 16: Ojama Country
Level 18: Ojamuscle
Level 21: Ojamagic
Level 23: Enchanting Fitting Room
Level 25: The Grave of Enkindling
Level 33: Ojama Delta Hurricane!
Level 35: Spirit of the Breeze
Level 38: Ojamagic
Level 40: Armed Dragon LV7
Unique Drops:
Ojama King (UR)
Despair from the Dark (SR)
Armed Dragon LV5 (SR)
Ojama Blue (SR)
Ojama Delta Hurricane! (SR)
Ojama Knight (R)
Reborn Zombie (R)
Chthonian Polymer (R)
Over Capacity (R)
Alexis Rhodes
To Unlock Alexis you need to reach GX World’s 11th Stage and perform the following missions:
- Ritual Summon 3 Times
- Beat Alexis in Duel World once
- Collect 5 WATER cards
Alexis’ Skills
機械天使招来 Cyber Angel Call
Can be used if your Life Points drop below 2000. In the Draw Phase, instead of doing a normal draw, one Cyber Angel Monster Card, from outside of your Deck, is added to your hand. This skill can only be used once per Duel.
融合の使い手 Fusion Specialist (Level 4)
Can be used each time your Life Points decrase by 1800. In the Draw Phase, instead of doing a normal draw, one Polymerization Spell Card, from outside of your Deck, is added to your hand.
儀式の使い手2 Master of Rites 2 (Level 13)
Begin Duel with the Continuous Spell “Ritual Cage” activated.
Starter Deck:
1 Blade Skater
1 Etoile Cyber
3 Cyber Tutu
3 Happy Lover
3 Petite Angel
3 Lunar Queen Elzaim
3 Dancing Elf
2 Orion the Battle King
1 Polymerization
1 Cyber Blader
Level 40 Deck:
1 Cyber Angel Dakini
1 Cyber Prima
1 Cyber Angel Idaten
1 Cyber Angel Benten
3 Gemini Elf
3 Cyber Gymnast
2 Cyber Petite Angel
1 Freya, Spirit of Victory
3 Machine Angel Ritual
2 Ritual Sanctuary
1 Big Bang Shot
1 Spell Shield Type-8
Level-Up Rewards:
Level 3: Machine Angel Ritual
Level 7: Etoile Cyber
Level 10: A Rival Appears!
Level 11: Inferno Hammer
Level 14: Urgent Ritual Art
Level 16: Cyber Angel Benten
Level 18: Spell Shield Type-8
Level 21: Cyber Angel Idaten
Level 23: Cyber Gymnast
Level 25: Cyber Angel Dakini
Level 33: Machine Angel Absolute Ritual
Level 35: Swing of Memories
Level 38: Doble Passe
Level 40: Cyber Tutubon
Unique Drops:
Cyber Blader (UR)
Cyber Angel Dakini (SR)
White Night Queen (SR)
Cyber Prima (SR)
Machine Angel Absolute Ritual (SR)
Cyber Angel Benten (SR)
Performance of Sword (R)
Machine Angel Ritual (R)
Commencement Dance (R)
A Rival Appears! (R)
Aster Phoenix and Bastion Misawa can both be Unlocked as well, but their missions are a bit more odd, so information on them is still sparse:
- Misawa you need to win 50 Duels with 0 cards left in your Deck.
- Aster requires you to Summon 200 DARK monsters