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.