Genesis Alpha One Deluxe Edition
https://www.gog.com/game/genesis_alpha_one_deluxe_edition
The same promotion (-50%) is also on other platforms.
On Epic, I found only standard edition, not deluxe one. So it looks cheeper, but its a different product. For a bit:
Deluxe Edition Includes:
Artbook
Soundtrack
Rocket Star Corporation DLC
Now you can choose and indulge ;)