Urban Rivals is a live a kicking game. which makes it tough to have a fan site like this one because the minute we write a fact like “rules” they change. This game is always growing nad getting more complicated which is why it’s so fun to play. It truly never gets dull.

From the Game:

Urban Rivals is a multiplayer game with over a hundred characters to discover, collect and develop by fighting live combats against other players.
 

You can decide your own fate. You can choose to have fight after fight to rise up in the rankings and become the world’s best player. You can also become a great trader and try to get the complete collection, or even just play for fun with your friends with your favorite characters. When you register, we’ll give you your first pack of 8 characters free of charge. You can then add to your collection by trading or purchasing packs from the Shop.

To level up your characters, you have to challenge other players. After each fight, your characters will earn XP and become progressively stronger, to the point where they can unlock special abilities and bonuses! Each time one of your characters levels up, he’ll get a new look.