Background: Digital games have become more and more popular in recent years. Increasing use of digital games has raised concern about the possible negative consequences for gamers, especially among children and adolescents. A study was conducted to evaluate the effectiveness of selfdirected learning (SDL) on knowledge and attitude regarding gaming disorder among adolescents. Materials and Methods: An evaluative approach with pre-experimental design: One group pre-test post-test design without control group was used for this study. The data related to knowledge and attitude regarding gaming disorder was obtained from 500 adolescents at selected PU colleges of Hubli. Samples were selected through non-probability purposive sampling technique.