To pilot test the prototype intervention we will determine, in a pre-post design: (a) the intervention's acceptability and feasibility based on self-report data on the game experience and (b) preliminary evidence of the efficacy of the intervention collecting data on 1) HIV/STI knowledge 2) intentions/attitudes regarding condom use and HIV/STI partner testing 3) self-efficacy to insist on condom use and HIV/STI partner testing 4) self-efficacy and beliefs related to sexual risk behaviors, 4) perceived social norms, and 5) behaviors related to condom use and partner HIV/STI testing.