At the very least, it looks like whatever it is will be taking us to the Moon.
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The Twitter account for Prey seems to be hinting at something. It's probably a bit too soon to suggest it's a full-blown Prey 2, but it's something. I am mostly expecting this to be something akin to the Death of an Outsider release that came out as a supplemental release for Dishonored.
At the very least, it looks like whatever it is will be taking us to the Moon.