Welcome to Thunder's Edge, a new expansion for Twilight Imperium 4th Edition! With this colossal expansion, the interstellar conflict reaches its peak. An expedition sets out in search of the legendary planet Thunder's Edge, new factions enter the galactic stage, and there are many new worlds to explore and exploit. Additionally, events of galactic significance can change the rules of the game, ensuring that no two games will ever be the same. Discover a completely new way to play Twilight Imperium with the brand-new game mode Twilight's Fall! Step into the role of a mad Mahactan king, build your own faction from the remnants of interstellar civilizations, and fight for supremacy in the galaxy. This game mode utilizes a wealth of new game materials, making it almost a completely new game! A base game of Twilight Imperium 4th Edition is required to play the expansion.