The pay is garbage and the hours are beyond excessive. Unless you pick a winning studio, stay for 10 years, and that studio has several blockbuster hits your royalties are worthless.
Take your experience doing games and go for a career in regular software development. Plenty of people need to integrate 3D engines into their products and know nothing about it (eg: adding the ability to view a 3d model) and you'll actually get paid for your work.
As others have pointed out, today's content-rich world only rewards the top 1% and that incentivizes repeatedly trying with quick projects. Don't spend years on one thing, slap something together and get it out there. If it isn't an immediate hit move on to the next thing.