Social Information Game System

A system to share game challenges between users of a social game system, the system comprising:

• at least on database storing relationship data relating to relationships between the users of the social game system and challenge data relating to a user challenge presentable within the context of a challenge game;
• and
• a game module, implemented using at least one processor, configured to selectively communicate the challenge data as part of a challenge relating to a first user to a second user,
• wherein the challenge forms part of a challenge game and wherein the challenge data is selectively communicated based on at least one of the challenge data or the relationships between the users reflected by the relationship data.