Stellaris - Stellaris is an Adventure-based, RTS (Real-time Strategy) Space, Sandbox, Sci-Fi, Single and Multiplayer video game created and published by Paradox Interactive.
Horizon game - Take control of humanity’s destiny in this massive 4X space experience.
FreeOrion - FreeOrion is a turn-based space empire and galactic conquest (4X) computer game being designed and...
Endless Space - Endless Space is an Amazing, Strategy, Science-fiction, Turn-based, Space, Futuristic, Exploration, Co-op, Single and Multiplayer Space Simulation created and published by Amplitude Studios.
Sins Of A Solar Empire - Sins of a Solar Empire is an Adventure, Strategy, Real-time-strategy, Science-fiction, Exploration, Aliens, Single and Multiplayer Space Simulation developed by Ironclad Games and published by Stardock.
Galactic Civilizations - Galactic Civilizations is a Turn-based Strategy, Sci-Fi and Single-player video game developed by Stardock and published by Strategy First.