Over 105 million gamers suffer from game addiction. Research indicates a connection between gaming addiction and mental health. Gaming is popular among young people, and they have been observed to engage in it excessively, negatively impacting their mental health. However, there is a dearth of data on gaming addiction and the mental health of youth in Sub-Saharan Africa. This study examines the effects of gaming addiction on the mental health of Lagos youths via an online survey. The study's findings revealed that some are aware of the associated risks of enjoying video games. Furthermore, respondents believe that gaming addiction is caused by depression, loneliness, a lack of focus on other positive activities, video game design, the near-reality nature of video games, and the manipulative nature of the games. The study concludes that beyond the feel-good pleasure of playing video games, addiction is escalating and negatively impacting mental health. The study recommends that youths be adequately educated on the dangers of excessive gaming, the impact of addiction and the adverse effects on mental capacity. Youths should be supervised in their gaming activities, particularly censoring violent games which promote other addictions and aggressive behaviours. Future research can track statistics of game addictions across the nation, mainly because of improving mental health stability.