[GBA][Early 2010s] Spanish Pokémon Bootleg - Uncatchable Suicune after cave/before waterfall, island setting, no gyms?

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[GBA][Early 2010s] Spanish Pokémon Bootleg - Uncatchable Suicune after cave/before waterfall, island setting, no gyms?

This is a subreddit for finding the name of a game that you can't remember. Read the rules, post your description, and hopefully someone will be able to identify it. Be sure to help out if you think you may have an answer to someone else's post!