Card Trivia:Stronghold the Moving Fortress
- "Green Gadget", "Red Gadget" and "Yellow Gadget" appear in this card's artwork, which reflects this card's effect.
- In the Yu-Gi-Oh! manga, anime, and video game card artworks, this monster features slots designated for the three "Gadget" monsters, with a "G" in place of "Green Gadget", a "Y" in place of "Yellow Gadget", and an "R" in place of "Red Gadget". The three letters spelled in that order makes "G-Y-R", referring to the word "gear", which is prominently featured in the "Gadget" archetype.
- This card has two retrained counterparts: "Metalhold the Moving Blockade" and "Stronghold the Hidden Fortress".
- This card's first Japanese printing labeled it as a Normal Trap Card instead of a Continuous Trap Card.
- This card's OCG/TCG artwork is taken from Yu-Gi-Oh! Duel 339 (Millennium World Duel 61): "Yugi vs. Atem!!", specifically from the panel where the three "Gadget" monsters are shown attached to this monster.
