How can players avoid lag in large co-op builds?

Lag in large co-op builds in Valheim is a common issue, especially when multiple players are working on expansive structures or exploring the same area. This lag is often caused by the game''s rendering and processing demands, which increase as more objects, terrain modifications, and players are added to the scene. To minimize lag, players should focus on optimizing their builds, managing server resources, and adjusting in-game settings.\n\nOne of the most effective ways to reduce lag is to limit the number of objects and structures in a single area. Large builds with excessive furniture, torches, or decorative items can strain the game''s performance. Instead, prioritize functionality over aesthetics in high-traffic areas. For example, avoid placing too many light sources like torches or braziers, as they require constant rendering. Use fewer, more efficient light sources like the Dvergr lanterns found in the Mistlands biome, which provide better illumination with less performance impact.\n\nTerrain modifications, such as leveling or raising the ground, can also contribute to lag. Each change to the terrain is saved and processed by the game, which can slow down performance over time. To mitigate this, plan your builds carefully and avoid unnecessary terrain edits. If you must modify the terrain, use the hoe and pickaxe sparingly and focus on creating flat, stable foundations for your structures. For example, when building a large castle, flatten only the areas where walls and floors will be placed, leaving the surrounding terrain untouched.\n\nAnother key factor is the server''s performance. If you''re hosting a dedicated server, ensure it has sufficient resources to handle multiple players and large builds. Upgrading your server''s hardware or switching to a more powerful hosting provider can significantly reduce lag. Additionally, limit the number of players in the same area at once. For instance, if you''re working on a massive village, divide tasks among players and have them work in different sections to distribute the load.\n\nIn-game settings can also be adjusted to improve performance. Lowering the graphics settings, such as draw distance, shadow quality, and vegetation density, can reduce the strain on your system. Disabling motion blur and depth of field can also help. For players with lower-end PCs, consider using the Vulkan API, which can improve performance on certain systems. These adjustments can make a noticeable difference, especially in densely built areas like the Plains or Mistlands biomes.\n\nFinally, consider using mods or tools designed to optimize performance. Mods like ''Valheim Plus'' offer options to reduce lag by disabling certain visual effects or optimizing object rendering. However, ensure all players in your co-op group have the same mods installed to avoid compatibility issues. For example, if one player uses a mod to reduce particle effects, others should do the same to maintain a consistent experience.\n\nBy following these steps, players can enjoy smoother gameplay in large co-op builds. Focus on optimizing your structures, managing server resources, and adjusting settings to suit your system''s capabilities. With careful planning and teamwork, you can create impressive builds without sacrificing performance.