space strategy game, Stellaris theme, galactic empire, alien races, spaceships, star systems, nebulas, cosmic warfare, futuristic architecture, advanced technology, diplomacy, exploration, 4X game mechanics, real-time grand strategy, detailed UI, HUD elements, starbase construction, fleet management, science fiction, ambient space music, dynamic lighting, vast universe, procedurally generated galaxies, complex economy, species customization, interstellar trade, political intrigue, empire expansion, cosmic anomalies, strategic resource management, multiplayer, single-player campaign, moddable game, PC gaming, space opera, epic battles, alien diplomacy, star maps, wormholes, black holes, space colonization, alien artifacts, space-time continuum, galactic senate, space exploration, detailed starship design, intergalactic alliances, space empires, cosmic events, 3D graphics, real-time with pause, grand strategy genre, PC Master Race.