Also of key importance to Stardock publishing partners, Wardell said, is an open system that doesn't tie games to a particular service. "Our publishers came to us and said, 'We're glad you don't require a client, but there's one other issue. Different distributors might object to our developers using Impulse Reactor if they have to create an Impulse account,'" he recalled.

Therefore, Impulse Reactor developers can effectively make the Impulse integration completely transparent. Users don't need to sign in with an Impulse account; they can alternatively access the Impulse-offered social features using an existing Facebook, Windows Live, OpenID, or Twitter accounts.

Head over to Gamasutra and check out the full article.