

If it passed in its current form
It doesn’t really have a “current” form.
An EU citizens initiative can really only outline what the goal is, and if passed, force the EU comission to investigate the problem to determine what an actual law could look like.
It would mostly harm always online live service models. This stuff only gets complicated if a game has micro-transactions, and therefore has to have a bunch of systems to handle payment and accounts.
If your game just does server-client/peer-to-peer multiplayer, like older games (and a lot of modern ones), there’s barely any complexity to handle. Even less so if your game isn’t online at all.
Basically every title on GOG would already comply with any law this might lead to. It’s really not that demanding. The big publishers who nickle and dime their players are the only ones who would have a hard time. And that’s a good thing.
“I have passive income” is literally just “I run online scams”.
This is no different from people in places like india doing phone call scams.