In the Blue Version of Pokémon, almost nothing is different except there are certain Pokémon that you can't catch that you are able to in the Red Version. You need both versions to catch all 150!
Here are the Pokémon that you can only catch in the Blue Version.
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| Sandshrew | Sandslash | Vulpix | Ninetales | Meowth | Persian | Bellsprout | Weepinbell | Victreebel | Magmar | Pinsir |
