 The GAMESQUAD study is a 6-month, 2-arm randomized controlled trial among 46 overweightobese children aged 10 to 12 years assigned to: 1 3 hoursweek of in-home exergaming or 2 a control group. An innovative aspect is the inclusion of a fitness trainer who will regularly video chat with the participant and virtually monitor gameplay. The study will advance the field by: 1 establishing the efficacy of exergaming to reduce BMIz among overweight and obese children and 2 demonstrating the potential of exergaming to reduce body fat and improve childrens cardiovascular health. 