Yes, You Can Build Your Very Own Sega Neptune!

A long time ago, when I was a nipper, the Sega Neptune was whispered around in playgrounds like a strange urban legend. When the name was first bandied around we though it was a next gen console, but it turns out that the Neptune was actually an attempt to fuse the dreadfully mismanaged Sega 32X and the Sega Mega Drive into one superfluous console. Considering the massive consumer confusion that arose when Sega started releasing all these bizarre add-ons, a product like this made perfect sense.

But it wasn't to be. Sega was simply too close to the release of the Sega Saturn, so the Neptune project was canceled. Apparently several prototypes were designed and they actually worked, but the Sega Neptune became a ghost, an old wive's tale, resurfacing as a ubiquitous April Fool's jokes but nothing more.

But what if I told you you could build your own Sega Neptune? What if you could take a Sega Mega Drive 2 and a Sega 32X and fuse them together into a bizarre chimera that resembles what Sega Neptune would be? You would say, 'shut-up Mark, east your porridge and wake the hell up from this glorious lucid dream'. But it's true. It can be done and this set of instructions will tell you how.

Don't go into this endeavour under any illusions — this shit is hard. This isn't a simple job, it's extremely difficult. In no way would I be able to do it. But it's worth looking at this set of instructions to see the process and the final product.

Pretty amazing.

How to make a Sega Neptune [Longhorn Engineer]

Thanks to Marco Boncordo for sending this in!


    Can someone please fuse an Super Nintendo and an N64, thanks.

      Something like this maybe?

      Last edited 27/03/13 9:53 am

      Hmm my last comment is awaiting moderation for some reason.... but it was basically a link to

      This guy has a very good sega neptune mod!

    I believe it's called a "PC" or, for those on the go, a "Smart Phone". Emulators are awesome :-)

      For 32X? Can you hook me up?

        No, that was supposed to be in reply to bagmup, but my replies don't seem to be working correctly these days.

    How 'bout a Sega Neptune-Mega-CD

    I love it how you could use the 32X and Mega CD combined to play specific Mega CD 32X games.

    It's like forming Voltron with console peripherals.

    My god its crazy how some old prejudices stay with you. Im 30 years old but my brain still says "hsssss! Mega Drive! Enemy! Nintendo forever! Kill Sonic!"
    I own plenty of modern games with SEGA written on the box, but years of representing "Team SNES" in the school yard has prevented me from ever collecting their old consoles and games...

      I was with Team Sonic during the SEGA wars. My spirit eventually broken, I bought a Super Nintendo.

    Shut up Mark, go EAST your porridge.... - i'd like to see that - please video document....

    Only if she comes in HDD mode, the normal mode could get a bit creepy

    Last edited 27/03/13 7:16 pm

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