I have never played an online game before, what happens ? Do I just explore or are there things to do. How many people are playing, Where do I start ?
The live version is a lot different than the solo offline version.
Half of it can be played alone and half of it can be played with others (if you are interrested in social life). For solving some of the new puzzles you will need help from one to seven people.
Suggestion: First go to the Mystonline forums and read all the posts in this thread(subject)...click here
If ever you have more questions, I suggest you ask them over there.
The Guild of Greeters (old one) have a nice illustrated walkthrough divided in many sections...click here
Texana also made an excellent list of all the new stuff you could find in the live version (Major Spoilers) plus a link to another excellent and complete/illustrated PDF walkthrough by J'ffrey ...click here