The line between movie and games will blur. Once you can do generative movies, you can do games, and vice versa, there's no obvious delineation, and the technical problem is heavily overlapping. Games just has some scoped control inputs, like this: https://demo.dynamicslab.ai/chaos

There are world models such as Genie [0] which show that they can be constrained to games too.

[0] https://deepmind.google/discover/blog/genie-3-a-new-frontier...

> Once you can do generative movies, you can do games

No you can't, these are completely different mediums.

If by "game" you mean running around aimlessly in a generic fantasy world, and by "movie" you mean animated pictures, then sure. But that's not my definition of either of these things.