Online gaming became part of people’s lives since the introduction of the computer and internet even before studies which explore its advantages and disadvantages were taken into consideration. This study investigated the online gaming engagements, mental wellbeing and work performance of 103 young professionals of the 3rd district of Laguna. They were selected through purposive sampling. The study used sequential explanatory mixed method which combines quantitative and qualitative methods. Findings revealed that respondents have average gaming engagements, above average mental wellbeing and high work performance. The themes created were gaming attitude for online gaming engagements, healthy disposition for mental health and work attitude for work performance. It was also revealed that online gaming engagement and mental health is significantly related to work performance. The study proposed a psycho-social intervention program for young professional with high gaming engagements.