multiplayer, No Man's Sky, cooperative gameplay, space exploration, friends, spaceships, star systems, planets, alien creatures, resource gathering, base building, space combat, trading, in-game chat, joint missions, shared universe, seamless joining, player avatars, character customization, galactic map, cross-platform play, ambient encounters, space stations, procedural generation, discovery sharing, solar systems, real-time, online connectivity, exploration together, adventure, sci-fi setting, vibrant ecosystems, flora and fauna, survival elements, crafting, high-tech gear, virtual reality support, exploration party, team strategy, joint exploration, shared discoveries.