In Wurm, you can have multiple accounts. However, it is frowned upon and there are some restrictions. Listed are some, check with a GM (Unforgiven) for the others.
*You can not use alts in fighting. E.g., If you have Jill as your main character and Jack as an your alt, and Jack is fighting a spider, you . You can not use Jill to help Jack attack and kill the a spider. Nor can you skill up your fighting skill with Jack on by fighting Jill.