>>47803686It technically isn't finished, but all that's missing is a little bit of post-game content. So you'll need to look up some cheat codes if you want to finish your Pokedex (last I checked Zapdos was missing, for instance).
>>47803711Grape is a lot of fun, but you've got to be ready to deal with some jank. A lot of the game design is pretty obtuse, especially where the secrets are concerned. That being said, it does a great job of recreating the feeling of being a kid playing the Gen 1 games, just sort of wandering around this expansive world. And the secrets definitely reward exploration very effectively.