I found this game on www.MPOGD.com. I just started playing Revelation about a week ago. This is a graphical MUD. The website for the game needs alot of work but if you start playing the people online are generally very helpful. The most important thing to know if you log on and there isn't a guide to help you is type /cmdlist this will give you a list of commands you can you.
If you click on the game help link on the main page then click on Cadwaladr's Revelation Guide it will take you to a page that will tell you a bit more a specific classes and items. This page seem to be written with the theory that you are familer with the game as so important information is left out but again the people online a very helpful.
The learning curve for the basics if low and you aren't locked into one charater which is good as there are 12 classes to choose from. I myself started as a warrior(the most basic class) but am now playing a wizard.
There are items to collect, quests to do, monsters to kill, titles to obtain,and smak to talk. The game is still being developed so things do change as they work towards more balanced game play. Oh and did I mention it is free. Try the game and let me know what you think.