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.

FreeOrion - FreeOrion is a turn-based space empire and galactic conquest (4X) computer game being designed and...

Galactic Civilizations - Galactic Civilizations is a Turn-based Strategy, Sci-Fi and Single-player video game developed by Stardock and published by Strategy First.

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.

Sword of the Stars - Epic 4X game of interstellar exploration and conquest.

Space Empires IV Deluxe - The award-winning 4X game of space conquest.