Conduit Labs, a Cambridge, Mass.-based social gaming startup, has raised $5.5 million in Series A funding. Charles River Ventures and Prism VentureWorks co-led the round, with Susan Wu of CRV and Will Kohleer of Prism taking board seats. Conduit founder Nabeel Hyatt began the company while an entrepreneur-in-residence with Prism. www.conduitlabs.com