Yes, you can. All you have to do is register here.
http://www.wolfquest.org/bb/ucp.php?mode=register&sid=689879e02e6667b0d41e4b3de968c39e
Some things to keep in mind when playing multiplayer:
Be kind and considerate. All of your chats should be proper and appropirate. Do not bypass the chat lexicon filter
Mates on WolfQuest: Multiplayer are not allowed.
If you see any mate-related/gender-specific chats, please send in an abuse report.
You can fill out the abuse forum here:
http://www.wolfquest.org/abuse/index.php
Chat with our AI personalities
No. It is free(of course, you will need some hard drive space).
No. You are unable to play the role of a pup in WolfQuest either in single player or mutli-player.
Contrary to popular belief, you do not need to complete WolfQuest to unlock multiplayer. The feature is available immediately after installing the game-- to play, you will need to have registered an account on the community forums in order to login and play with other members of WolfQuest. (See the provided sources / related links.)
YES! There is FeralHeart You get a mate, and it's all multiplayer. but it's like wolfquest you have to create an account on the site or you Can't play! but on the animals... your choice Wolf or lion. best of all you can chat! so it's like wolfquest's multiplayer side.
Yesyes go to wolfquest.org to download and play