Photo: Evan-Amos, Public domain, Wikimedia Commons
Super Game Boy (Japan)
Japan · SHVC-027 · Nintendo · 1994
Why
It was released only in Japan; it’s rare in our markets, so we don’t set a rarity level. model rated as Rare - variant no lower than. Estimate: exact units produced unknown.The Super Game Boy is a peripheral that allows Game Boy cartridges to be played on a Super Nintendo Entertainment System console. Released on June 14, 1994 in Japan, on July 22, 1994 in North America, and on September 24, 1994 in Europe, it retailed for US$59.99 (equivalent to $130.31 in 2025) in the United States and £49.99 (equivalent to £105.48 in 2025) in the United Kingdom. In South Korea, it is called the Super Mini Comboy and was distributed by Hyundai Electronics. A revised model, the Super Game Boy 2, was released in Japan in January 1998.
For now, in English only. Source: Wikipedia, CC BY-SA 4.0How to tell them apart
Grey Super Famicom-shaped cartridge adapter with rounded top; Game Boy slot on top.
Details from sources
Super Famicom adapter; developed with Hori. Announced 1994-03-14 for simultaneous JP/US release (ja Wikipedia). Runs ~2.4% faster than a real Game Boy (NTSC).
Data source: ja.wikipedia.org
Yes this option? Take a photo of it - the app will recognize the model, verify it’s in your hands, and give you a collectible card with a number and rarity.