Each week night, the Resident Advisors organize activities in the residence halls. These may include scavenger hunts, "Cluster Feud", cookie decorating, sunset and star gazing, and talent shows.

Weekend Activities
In addition, COSMOS students enjoy weekend excursions to local sites of interest so that COSMOS students can learn more about San Diego. Weekend excursions may include historic Balboa Park, Sea World, Wild Animal Park, Knott's Soak City, USA, a guided tour of Old Town State Park, an evening of baseball at Petco Park or the World Famous San Diego Zoo.