Super Mario Run is online-only to combat piracy, says Nintendo's

Fans must have an Internet connection to play Nintendo's latest game.

Why doesn't an SNES game's anti-piracy feature kick in when played on an emulator? - Quora

Super Mario RPG has leaked online, Page 8

Super Mario Run

Anti piracy screen. I found an old demo cartridge at a library and This happened : r/n64

Nintendo Switch get denuvo for stopping emulators : r/SwitchPirates

Nintendo Says Game Piracy Is a 'Worsening Problem' : r/nintendo

Super Mario Wonder is already playable on PC in 4K/60fps via Nintendo Switch emulators : r/pcgaming

Famicom Disk System - Wikipedia

Nintendo's Sad Struggle for Survival - The Atlantic