Valheim, a free server-side AI, is the core of the Longship Mod. Longship is a server-side AI that aims to make servers more performant. It can also be used for server-side gameplay.

You can see the results of its work on the in-game performance meter. When you are not playing, it is also able to make use of your device's CPU and GPU.

The Longship Plugin system allows you to configure plugins that can enhance the gameplay. There are different kinds of plugins, such as ones that alter the gameplay, ones that make the game more fun, ones that improve gameplay, and ones that are just fun to play.