The Tunguskium Gambit

From publisher blurb: 'Season 1, Episode 2: The crew encounters a powerful alien ship whose master sets out to test them, but they may need to destroy the Tyche in order to protect the Coalition! The Tunguskium Gambit is a space opera adventure set in the Starship Tyche universe. It is designed to be played in one game session, as an episode of the fictional Starship Tyche television series. It can be played with those rules, or as a stand-alone using Fate Accelerated Edition.