Starfield solo or friends

Is Starfield a single-player or multi-player game?
Starfield is a single-player game.

Are there land vehicles or mounts in Starfield?
There are no land vehicles or mounts in Starfield, but you do have a Boost Pack that can aid in exploring planets and provide an advantage in combat situations.

Can we play solo without companions?
You will be able to play solo, and there are Traits and Skills that help support this playstyle, too!

Can we have a romantic relationship with any character?
There are four potential romantic interests in the game, and each is a fellow member of Constellation.