Lithium is a Minecraft mod that makes the game run faster by optimizing many core systems like physics, mob AI, and block updates without changing how the game plays. It works on both client and server sides, and servers can install it without requiring players to have the mod. By cutting tick times by more than half, Lithium frees up your computer’s processor so it can focus more on drawing graphics. In single‑player, this means smoother frame rates and less lag, while multiplayer servers can support more players, entities, and loaded chunks on the same hardware.
Because Lithium improves the “server” part of Minecraft even in single‑player, you’ll notice a big boost in responsiveness and overall speed. It pairs well with other optimization mods like Phosphor and Sodium, giving you a complete performance upgrade without any conflicts. Whether you’re running your own server or just playing on your home PC, Lithium helps Minecraft feel snappier and more enjoyable without changing any of the core gameplay you know and love.
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