>>37918024If you'd already played the other two then you'd probably not be overly enthused (though it has a bit more content it's mostly the same) but since you haven't it's a fair enough choice, though if you intended to play the others you might want to do this one last since it's by far the best one so you'll probably end up with a big of a bad taste in your mouth playing the others after.
But in general, if you like Pokémon, a decent story and the Roguelike/lite genre then you're probably in for what you'll find a great game.
It's by no means perfect but the Explorers games did nothing but expand upon the Rescue Team games before them.