Humanity Discovers The Stars
Three hundred years from now, humanity is claiming worlds far from Earth. Despite nearly destroying itself in the Twilight War, despite all the wars since, humanity has held on and kept its dream alive. 2300AD is the story of that dream, as humanity reaches for the stars.
Campaigns in 2300AD range from interstellar exploration and war on the far frontier, building new colonies on hostile worlds, discovering and understanding alien species, and engaging in espionage and crime in the gritty mega-cities of the Core worlds.
Using the Traveller core rules, expect a grittier experience where aliens have only recently been discovered, rockets are needed to reach orbit, and different views compete on the colonisation of space.