What is the full name of the Pharaoh whose spirit resides in the Millennium Puzzle?
Atem
What is the name of the deck archetype used by Jaden Yuki throughout most of the series?
Elemental HERO
What is the name of Yusei Fudo’s signature Synchro Monster?
Stardust Dragon
What is the name of the parallel universe entity who guides Yuma and seeks to recover the "Numbers"?
What is the name of the parallel universe entity who guides Yuma and seeks to recover the "Numbers"?
What are the names of the two monsters used in Pendulum Zones in the first episode of ARC-V?
Stargazer Magician and Timegazer Magician
Which card did Kaiba use in Duelist Kingdom to force Yugi into surrendering during their duel on the castle balcony?
Castle of Dark Illusions (to set up a suicidal leap threat) or Crush Card Virus (to wipe Yugi's monsters — both are involved in different parts)
What card did Zane Truesdale begin using after adopting his "Hell Kaiser" persona?
Cyberdark Dragon
What is the real-world inspiration for the Nazca Lines, which are connected to the Dark Signers?
Peruvian Nazca Lines
What unique ability allows Yuma to fuse with Astral to enter a stronger dueling state?
ZEXAL Morph / ZEXAL Fusion
What is the name of the interdimensional military organization that invades the XYZ dimension?
Academia
What was the name of the rare card that Bakura used to trap Yugi’s friends' souls during the Battle City arc?
Dark Sanctuary
In Season 3, what forbidden summoning method does Professor Viper’s Bio-Band system exploit to extract energy?
Fusion Summoning
What is the name of the Synchro Monster that Crow Hogan uses as his ace card?
Black-Winged Dragon
What was the original purpose of the “Numbers” cards in Astral World’s plan for Earth?
To test humanity’s morality and determine whether Earth should be destroyed or saved
What is the significance of the "Original Dimension" in ARC-V’s storyline?
It’s the dimension where Zarc and Ray originated, before it split into the four current dimensions
Which card did Joey draw that would have allowed him to win against Marik in their Battle City duel, had he not collapsed?
Gearfried the Iron Knight
What is the name of the duel spirit that was originally sealed inside Jaden and is revealed to be a source of his darkness?
Yubel
What was the catastrophic event that separated the Satellite from New Domino City, referenced repeatedly in the series?
Zero Reverse
What was the real identity of Vector, the antagonist who manipulates Yuma and others?
One of the Barian Emperors, originally a human named Rei Shingetsu
What are the names of all four dimensional counterparts of Yuya Sakaki?
Yuto (Xyz), Yugo (Synchro), Yuri (Fusion), Yuya (Standard/Pendulum)
In the Memory World arc, what was the name of the Dark Priest who manipulated Pharaoh Atem's court from within?
Dark Priest Akhenaden (a.k.a. Aknadin)
In Season 4, which former Obelisk Blue teacher returns to Duel Academy as the new principal?
Vellian Crowler (also acceptable: Dr. Crowler)
What is the name of the dimension or plane where the Earthbound Immortals originate from?
The Netherworld (also acceptable: Underworld Realm or Dark World in context)
In the final arc, what entity fuses with Don Thousand, resulting in the ultimate antagonist?
Nasch (Reginald Kastle / Shark)
What is the full name of the girl whose four alternate versions exist across the dimensions, and who is the daughter of Leo Akaba?
Ray Akaba