>>48005585Even without the interaction, there are certain elements that come with picking one version over another: which Pokemon are accessible, which Legendary the villain team catches, which gym leaders/locations change, etc.
Which Route 4 in B2W2 is the canonical Route 4? The one that was successfully built and modernized, or the one that was abandoned? Which Opelucid City is the true Opelucid City? Did Suicune roam around the region at fixed points before being caught in the Tin Tower, or does it roam sporadically like its fellow beasts? Which Legendary Pokémon does Nebby evolve into? Which Legendary did Lysandre use for his weapon? Does Gloria fight Allister or Bea? For that matter, which Wally is the real Wally? The one from Gen 3 that uses Gardevoir, or the one from ORAS that uses Mega Gallade?
Every game is its own separate world.
>Gen1-3Which game is Gen 1? Red, Green, Blue, or Yellow?
Which game is Gen 3? The one with Team Magna, the one with Aqua, or the one with both?
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Gen 2-4
Which game is Gen 2? The one with the Level 40 Lugia or the one without?
Which game is Gen 4? The one where Cyrus takes Dialga, the one where he takes Palkia, or the one with the distortion world?
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BW
Which one is the true canon? The one where N uses Reshiram and Drayden is GL? Or the one where he instead uses Zekrom and Iris is GL?
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B2W2-Gen 6
Which version of B2W2 is canon? Which Victory Road is the actual VR? Which Reversal Mountain is the real RM?
Which Mega Stone for Charizard or Mewtwo is the canonical Mega Stone?
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Gen 7
Which version of Gen 7? The one with Totem Gumshoos and Solgaleo, or the one with an inverted time cycle?