Oolite is a 3D space trading and combat simulator game inspired by the classic Elite from 1984. Players get to explore a realistic universe, trade goods and services, and engage in combat with other space ships. The game includes a wide range of activities, such as mining, smuggling, bounty hunting, and piracy. Players can customize their ship with a variety of weapons, upgrades, and cargo. Players can also join fleets and take part in multiplayer space battles. Oolite is available for multiple platforms, including Windows, Mac, and Linux. It also includes a powerful scripting system and an active modding community.
Spore
EVE Online
Freelancer
Vendetta Online
Pioneer
Vega Strike
Zen Koi
1 IN SPACE FREE
Elite
Battle Supremacy: Evolution
Gratuitous Space Battles
Because of how well it's done, and the fact that it's a server and not multiple