to catch a Pokemon in Pokemon tower defense, drag the pokeball at the bottom of the screen onto the Pokemon you want when it is on low health.
poliwog
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catch it at the burnt tower
burnded tower
you find gastly in the Burned Tower and the Sprout Tower
have to hack to get lugia
only if you hack or the game has a bug or a glitch
you can catch pikachu in viridian forest but it is very rare and you can not catch the main three pikachu at the end.
well the only one i know of is one you can make. onix to steelix
You can't yet because sam and dan havent put him on
You must be using a hacked version, because you can't.
you cant
turtwig
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new pokemon
Google it and play it
you can't