There are various websites and online communities that share ROMs of games, including The Binding of Isaac: Rebirth. However, I must stress that downloading ROMs from untrusted sources can pose risks to your device and personal data.
I'm assuming you're referring to the Binding of Isaac: Rebirth game and its potential availability as a ROM for the Nintendo 3DS (3DS) handheld console. the binding of isaac rebirth rom 3ds hot
Warning: distributing or downloading game ROMs for consoles you don’t own is illegal in many jurisdictions and risks malware. This post treats the topic as reporting on a controversy, not an endorsement. There are various websites and online communities that