Kdice

Kdice
A Risk-like game. Contains forums and rankings. [Requires Flash.]
http://www.kdice.com/

Kdice Wiki
Includes game information such as code of conduct, strategies and tips, and rating system.
http://kdice.wikispaces.com/

Wikipedia: Kdice
Includes game overview, rules and dice roll probabilities.
http://en.wikipedia.org/wiki/Kdice