The amazing USB-C gadgets that play old Nintendo cartridges.

I backed it up with an Epilogue Operator, a device that connects your real Nintendo cartridges to Windows PCs, MacBooks, even a Steam Machine.
But it’s not a huge deal, because I saved my family’s save file months ago. . My save file was no more. Before flash memory, Nintendo cartridges used tiny watch batteries to save their games, and those batteries were never meant to last this long.