Oh, it seems like it's only for their card-trading game? So they're essentially saving themselves money on gas fees? I'm more interested in the fees affecting individual artists.
> We’re sprinting towards March 2021. Immutable X alpha release is still expected in March 2021 for Gods Unchained, and coming to other partner games and marketplaces soon after.
Their alpha release only works with one card game, yes. Their platform is going to be open for every one eventually, though I don't know when that is expected to happen.
https://www.immutable.com/blog/design-architecture