"The Sega 32X (Japanese: セガ スーパー32X), codenamed Project Mars, is an add-on for the Sega Mega Drive video game console by Sega.
In Japan, it was distributed under the name Sega Super 32X. In North America, its name was the Sega Genesis 32X. In Europe, Australia, and other countries that use PAL, it was called the Sega Mega Drive 32X." (Wikipedia)
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