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With the Pokemon HeartGold/SoulSilver Pokewalker, do you always have to reduce a Pokemon to 1HP to catch it, or can you catch a Pokemon that has, say, 2HP left?
Yes, you can catch a Pokemon with more than 1HP left, but it's not always guaranteed.
For reference, I've caught a Pokemon with 3HP left, and I've never failed to catch one that had 1HP left.
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