Game Boy software released in 1991. "Seiken Densetsu: Final Fantasy Gaiden" (Square). The first installment in the Seiken Densetsu series, also known as FF Gaiden, is a masterpiece ARPG. It still has many devoted fans and is a popular title among retro game collectors. [Included Items] ・Outer box (with box) ・Instruction manual ・Cartridge (in plastic case) [Condition] ・Overall, there are signs of use, scratches, and dirt due to aging. ・Box: Corner damage, scuffs, price sticker residue (old 4600 yen sticker attached), shine and yellowing are visible. Not in good condition. ・Instruction manual: I was an elementary school student at the time, so there are many folds, wrinkles, and stains. Heavily used. ・Cartridge: Label is in good condition. ・Operation check: Operation confirmed on a Game Boy Color on December 27, 2025. The title screen proceeded normally. ・Save data: Previous save data remains (not initialized). ※For those who intend to play for extended periods, we recommend replacing the cartridge battery to prevent battery leakage. (Please replace the battery yourself or at a specialist shop) Complete sets with the box and instruction manual are becoming quite rare these days. Please refrain from bidding if you are concerned about the condition or are looking for a perfect item. How about it for collection as a retro game, or for playing (assuming battery replacement)? Shipping will be done carefully with bubble wrap. Feel free to ask any questions! - Product Name: Seiken Densetsu - Platform: Game Boy - Manufacturer: SQUARE - Model Number: DMG-FFJ - Barcode: T4961012915019