Sure
It is kind of like CAP ASB if you have ever heard of that, only the battles are done on the DSI (or showdown)
You start out in a region of pokemon, in this case the generations 1 regiond, hidden seas. You start out with the little cup versions of the NFE pokes, and you battle either the region leader or other trainers to win new pokemon. You gather all the pokes in that tier, then battle for theright to go to the next tier, until you havve collected all the pokes for that region.
Want an invite to try it?