To me, updates and DLC serve different purposes. Updates are for bugfixes, new features, feature enhancements, etc. DLC is new game stuff, like additional characters and levels and so on.
Emulators run ROM images of the cartridges. There are some rather arcane devices that can create these for you, but most people just download them (usually from a website or torrent).
Alan Wake 2 will have free and "significant" DLC (www.eurogamer.net)
The gaming industry needs to become more like holywood
As games get bigger and become more cinematic (and more expensive), there will be studios that grow and grow and then make big layoffs in a lull....
29 Best Retro Handhelds Of 2023 [All Reviewed] (retrododo.com)
Do you have one of these? Do you use it? I want one but I’m afraid it’s going to end up another plastic brick in a drawer.