Similar to the illegal business model, players game progression is hindered until they invite their friends to join. Who doesn’t love getting game invites on Facebook.
Defined
Social pyramid schemes either slow player progression or offer large rewards for inviting your friends to join. This design encourages the player to act as an unpaid billboard for their game, and relies on the social pressure of relationships to increase player count. Often, these invite bonuses also require the new player you invited to reach specific milestones within the game, further gating extra rewards.