Our preliminary analyses indicate that young people (ages 10-17) who were randomly assigned to play the Random App of Kindness game for 2 months had more empathic emotional responses to someone in distress, and also had less aggressive beliefs and behaviors, compared to those who played a control game for 2 months (Two Dots). In addition, the RAKi app led to a dramatic increase in helping behavior among boys, with those who played RAKi being more than 3 times more likely to help someone in distress than those who did not. (Most girls were already willing to help, regardless of game play.) However, these results are preliminary and may change with additional data cleaning and analyses.