How to Tell Whether Puzzles Lib Is Actually Doing Anything in Your Game

Puzzles Lib is a library, which means it has no blocks, items, mobs, or world generation of its own. If you installed it expecting new content, you will not find any. Its entire job is to sit in the background and give other mods a shared set of tools so they can run on multiple mod loaders without the developer rewriting everything twice.

Check What Depends On It

The practical way to confirm Puzzles Lib is working is to look at the mods that require it. Open your mod list and look for entries that list Puzzles Lib as a dependency. If those mods load, launch into a world, and behave normally, Puzzles Lib is functioning correctly. A broken or missing Puzzles Lib almost always shows up as a crash on startup or a dependency error screen naming the mod that needed it, not as a subtle in-game glitch.

What You Will Never See From It

You will not find a Puzzles Lib config screen with gameplay toggles, and you will not craft anything from it. Any settings you want to change belong to the mods built on top of it, not to Puzzles Lib itself. If a dependent mod adds a config option, that option lives in that mod's config file.

When to Suspect a Problem

If a mod that depends on Puzzles Lib fails to appear in your mod list, or the game refuses to start citing a missing library, the fix is to make sure Puzzles Lib is present and matches the loader and game version your other mods expect. Beyond that, there is nothing to configure or interact with in-game.