Persistent worlds/Rhun?

Was looking for a persistent world with a good chunk of content and possibility to hit max levels available for download and so far the best I've found is Rhun - but currently a bit lost on what to do with it. There isn't really any manual or wiki so to speak and there's a lot of issues with sporadic difficulty and wildly inconsistent xp vs challenge, as well as just some outright weird stuff. Still, it's the best I've found so far in terms of being playable

Is there a better module out there that's more quality over quantity I just haven't been able to spot? Or an old forum or wiki somewhere that would make clear how Rhun is meant to be played? Really wouldn't mind a somewhat linear progression if it was well crafted