This is a Japanese version game software for Super Famicom, "Shin Mahjong," manufactured by KONAMI. - Brand: KONAMI - Model Name: Shin Mahjong - Type: Super Famicom Software - Language: Japanese - Release Year: 1994 Thank you for looking. Please purchase with the understanding that this is a used item. Terminals cleaned Software shell cleaned Confirmed to boot immediately on Super Famicom Data retention confirmed It boots immediately on my Super Famicom, but compatibility with your console may vary, so booting is not guaranteed. Since the data is still present, I believe the battery is still good, but this is also outside of the warranty. If you are concerned, I can replace it with a new battery for an additional 250 yen. Please contact me in the comments before purchasing. To prevent fraud, all sales are final (no claims, no returns) m(._.)m As this is an old software, there may be minor scratches, so please refrain from purchasing if you are concerned m(._.)m