Recently discovered the Belonging Outside Belonging system and I love it ! Going Rogue sounds fantastic and I can't wait to play it !
I was however taken by surprise to discover I need Galactic 2E to play it. I mean, this page does mention it was originally designed as an expansion and several other phrases do mention what it adds to Galactic 2E but since it's also referred once as a "34-page game that can be played as a one-shot" and everywhere else as a "game" I was lead to think that the first edition was an expansion but the second one was its own game.
There's however no ambiguity in the game's pdf because it's clearly stated that "going rogue is an expansion for 2-5 players which extends on riley rethal’s galactic 2e" and
"going rogue makes significant use of the base game, and it is necessary for at least one player to familiarize themselves with that system before playing this expansion".
It's not that big of deal for me as I was already contemplating buying Galactic 2E but I'd suggest adding this kind of clarity to this page to avoid anyone getting the wrong impression.