This is a French RPG self published.
What if the Soviet Union had won the space race and they conquered the universe?
That's what Star Marx is about.
You can play it in severial ways, like "Paranoia" as agents of the USSSR (Union of Stellar, Socialist Sovietic Republics), with all the tropes associated, or as free agents within that context.
It uses the system of "Tranchons & Traquons"