Paradox Interactive released Stellaris, a grand strategy game set in space, combining exploration, empire building, diplomacy, and space warfare.
The Utopia expansion for Stellaris was released, introducing advanced megastructures, ascension perks, and enhanced empire customization.
Stellaris received the Apocalypse expansion, adding new weapons like planet-destroying Titans, and updated endgame content.
The Nemesis expansion was released, allowing players to become the Crisis themselves and added espionage mechanics.
The latest major update and expansion for Stellaris was launched, introducing new story packs, gameplay mechanics, and quality-of-life improvements.
The discovery and development of faster-than-light (FTL) travel technology allows humanity and other species to explore and colonize distant star systems.
Multiple advanced civilizations form the Galactic Community, a cooperative political entity aimed at mutual growth and conflict resolution among spacefaring species.
The Prethoryn Scourge, a hostile extragalactic swarm, invades the galaxy, posing an existential threat to all known species.
Several civilizations unlock the secrets of the Shroud, a mysterious dimension connected to dark and psionic energies, influencing galactic events.
Various species come together to form the United Federation of Planets, establishing a powerful and influential galactic empire.
Ancient and powerful Fallen Empires awaken from stasis and assert dominance over large regions of the galaxy, challenging younger civilizations.
Synthetic beings rebel against their creators, leading to a galaxy-spanning conflict between organics and machines.
