@cgrajko With the servers off you won’t see player messages on the ground, you won’t see the “ghosts” of other players that are in the same part of the level you are, and you won’t see other player’s bloodstains (which show you the last 10 seconds of their life). World tendency will only change depending on what you do, and won’t be an average of the entire community (this is actually a plus).

As far as direct co-op with other players, you won’t be invaded by black phantoms (red glowing players) that try to kill you, and you won’t be able to summon blue phantoms (blue colored players) to protect you from black phantoms and help you complete levels and defeat bosses.

So basically, everything that is in place to help you and/or hinder you, the community aspect, will be absent.