Last year the manufacturer released physical versions of Rugrats: Adventures in Gameland and Piopow, both of which arrive as an NES cartridge designed to be played on actual NES hardware.
Issues with voltage regulation
This isn’t the first time Limited Run has had to apologise for the quality of the games it’s been releasing for retro consoles. Last year the company apologised for using burnt CD-R discs instead of pressed discs for a re-release of 3DO horror game D.