Short for: Soul Knights - Role Playing Game, this browser and text based RPG is a small community that is kept alive mostly due to their interaction. The game is incredibly un-playable and oftentimes other community members are incredibly unpleasant or racist. In the game you can kill any other member and also train your power level by working out or your combat by killing NPCs. There are numerous clans to join and different items to help you. The object is to rule the world in your clan, but you can go solo if you want. The website is easily Googled.
I'm gonna quit SKrpg, the creator is a lazy idiot who doesn't update the game at all.