According to The Wall Street Journal, the company has had discussions about how to make money from its games for months now, including in-app purchases, putting a price tag on more premium titles and placing ads on games that subscribers to its ad tier have access to. These methods are common (and effective) in the mobile gaming world, with consumers expected to spend $111.4 billion on mobile games in 2024
The only reason Netflix games library is decent, its are not laid with ads or in-app purchases. If that was changed it would no longer make the experience enjoyable. Hopefully, they don’t.
If you already pay for Netflix then there are a few decent games like Into the Breach. Most of it is garbage though.