Originally posted by Tachyon:

A single-player game is whatever the player wants it to be. I never bother with multiplayer in Valheim and, accordingly, I've modded the gameplay into whatever form pleases me. I'm not bothered what the Devs say about the aim of the game.

A single-player game is whatever the developer wants it to be. Yes you can change it with mods, as alot of people do. That doesn't invalidate the developers vision for the game nor does it mean anything if you decide to mod it.