Blood Wars

Blood Wars is a free Polish massively multiplayer online role-playing text-based browser game developed in PHP by the BW Team and released on January 8, 2006. This game is available in English, French, Polish, Russian, and Turkish. There are 16 playable realms with over 200,000 accounts total.

Premise
In Blood Wars, the player plays as vampires in a post nuclear world and have to fight for dominance in the only city that survived the apocalypse.