Epilogue has introduced two new USB-C cartridge readers: the GB Operator and the SN Operator. The GB Operator, priced at $50, is designed for Game Boy, Game Boy Color, and Game Boy Advance cartridges. The SN Operator, priced at $60, supports Super Nintendo and Japanese Super Famicom titles. An N64 version is also in development.
These devices connect to Windows PCs, MacBooks, and Steam Machines via a USB-C cable. They function as cartridge readers, allowing users to back up game save files, write save data back to cartridges, and play games directly from the physical carts through emulation software on the connected computer. The Playback software by Epilogue facilitates this process, creating an experience that mimics playing on original hardware.
The Operators do not contain original Nintendo chips or FPGAs; they read the ROM from the cartridge, which is then played by an emulator on the computer. The software automatically saves progress back to the cartridge. While generally effective, the devices can be sensitive to dirty or damaged cartridges, potentially leading to mid-session interruptions if cartridges are not perfectly seated.
A key benefit is the ability to preserve save files from older cartridges, which often rely on internal batteries that can fail over time. Users can also transfer save data between different platforms, playing a game on a PC, then moving the cartridge to a Steam Deck, or even back to an original Game Boy, maintaining save progress across devices.
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Epilogue has released the GB Operator and SN Operator, USB-C devices that allow users to read, write, and play Game Boy, Game Boy Color, Game Boy Advance, Super Nintendo, and Super Famicom cartridges on modern computers. These devices enable backing up save files and playing physical cartridges through emulation software, with an N64 version planned.