Players cannot populate a lobby or server with more than one player per Xbox or PC. Players will be unable to play split-screen on a single console or on a single PC. Unfortunately, no, Grounded does not support split-screen co-op. Astroneer is a very good game with a lot of hours of content.
If you want to buy the game, here is an Amazon link for the game on either PS4 or Xbox One. If friends play this game with you, it makes it even better. It is definitely worth the money if you like sci-fi exploration games.
Thankfully though, while Bungie’s game is fun when playing on your own, creating a Fireteam to push back against your enemies with friends at your side is when the game comes into its own. Unfortunately, while there are many multiplayer options in Destiny 2, none of the game’s modes can be played in splitscreen.
