Customer reviews:
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Summary: product review
Comment: My child enjoyed this game and says it's really fun- one of the best Pokey games.
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Summary: Beware used copies - save data deletes by itself
Comment: Can't say much about the game, but bought it used from a seller and it's apparently a common problem with Sapphire (as well as Leaf Green, according to an internet search) that save data deletes itself, so you can't get anywhere in the game. Some sources say there's a battery within the game cartridge that expires after a couple of years; another source says the data in the cartridge can easily be corrupted. Who knows? That's a risk you take with electronic items.
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Summary: Warning: NOT compatible with SoulSilver/HeartGold and those will erase your Sapphire/Ruby save
Comment: I'm completely editing this review and upping the rating on it because I have figured out the "save file deleted" glitch... or at least, one very big reason for it. If you load up SoulSilver or HeartGold while Sapphire or Ruby is in the GBA slot on a DS Lite (and I would assume any DS system), it WILL erase your Sapphire/Ruby saved game. I confirmed this through multiple tests on my end with Sapphire and SoulSilver, and my friend a few states away has now double-confirmed it with Ruby and HeartGold.
We had hoped to get the Sapphire/Ruby SS/HG set to trade via Nintendo's network, and get as many pokemon as possible into our respective copies of SS/HG. So much for that idea. It looks like it will take two DS's in the same room to trade from the Sapphire/Ruby generation to the SS/HG generation, if that even works... that's not something I know, being as I don't have two systems yet. I have heard it works with Pearl/Diamond/Platinum and SS/HG.
So, keep that in mind. The game itself is what Pokemon has always been, catch critters, obsess for way too many hours, you know the drill. xD I'm now playing Sapphire only when no DS cartridge is in the unit at all.
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Summary: great way to add more pokemon characters
Comment: Seller was prompt in sending this game. Great addition to the DS games to add more pokemon characters. My 7 yr old son loves this game. One note; when playing this in your DS, take out any other DS games. Sometimes the game would freeze or not save, which frustrated my son. Playing this game on its own eliminated that problem.
Customer Rating: 



Summary: Awesome!
Comment: I'm discovering how much fun Pokemon games are! This game came in a very short time and I am very pleased with this seller. I would purchase again.