Mach5Mike on Twitter: "So today has been fun. If you know about the Nintendo 64's history, you may be familiar with a short-lived add-on released only in Japan called the Nintendo 64DD (
![Doshin The Giant Store Demo Disk! Happy to add this piece to my 64DD collection, this was a hard one to track down but now its safely with me and being preserved. : Doshin The Giant Store Demo Disk! Happy to add this piece to my 64DD collection, this was a hard one to track down but now its safely with me and being preserved. :](https://preview.redd.it/ezpwoom78o141.jpg?auto=webp&s=fe460399b7df02ac22243f6fffbc0389ee731b1d)
Doshin The Giant Store Demo Disk! Happy to add this piece to my 64DD collection, this was a hard one to track down but now its safely with me and being preserved. :
![Nintendo 64 Disk Drive (partially found unreleased video games for Nintendo 64 add-on; late 1990s-early 2000s) - The Lost Media Wiki Nintendo 64 Disk Drive (partially found unreleased video games for Nintendo 64 add-on; late 1990s-early 2000s) - The Lost Media Wiki](https://lostmediawiki.com/images/b/b9/64DD.jpeg)
Nintendo 64 Disk Drive (partially found unreleased video games for Nintendo 64 add-on; late 1990s-early 2000s) - The Lost Media Wiki
![FOUND: Ultra-Rare Nintendo Prototype N64 Add-On (US Version of 64DD) : MetalJesusRocks : Free Download, Borrow, and Streaming : Internet Archive FOUND: Ultra-Rare Nintendo Prototype N64 Add-On (US Version of 64DD) : MetalJesusRocks : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/youtube-b64Bx0WKh7M/FOUND_-_Ultra-Rare_Nintendo_Prototype_N64_Add-On_US_Version_of_64DD-b64Bx0WKh7M.jpg)