Gaming usually comes up in conversations about anxiety as something to cut down on. That is not the whole picture. There is a reasonable body of research on games and mental health, and some of it is genuinely positive. There is also a fair amount of exaggeration about it online, including in the earlier version of this article.
So I went back through the studies to work out what they really support. The short answer is that games help, but less than the headlines suggest, and not evenly. They do more for low mood than for anxiety, and what the game asks you to do matters more than the fact that it is a game.
The short version
- The best evidence is about general well-being rather than anxiety disorders.
- In young people, gaming interventions improve depression but not anxiety.
- Games that train breathing, or walk you through CBT exercises, are the ones with results for anxiety.
- The benefit fades after roughly three hours of play a day.
- Gaming works as a coping tool next to sleep, exercise and therapy, not instead of them.
What the studies say
The strongest study I found is also the strangest. During the pandemic, Japanese retailers had more buyers than consoles, so they sold them by lottery. That turned an ordinary shortage into a proper experiment, because the winners and the people who missed out were otherwise the same. Researchers followed nearly 100,000 people and found that winning a console measurably improved mental health, with psychological distress dropping by about 0.6 of a standard deviation for Nintendo Switch winners. They also found a ceiling: past about three hours of daily play, the benefit flattened and then started to reverse. You can read it in Nature Human Behaviour.
The result that complicates the story comes from a 2022 review in BJPsych Open, which pooled trials of gaming interventions in young people. Depression improved clearly. Anxiety did not move at all. Most articles on this topic leave that second half out, which is a shame, because it points at something useful rather than just being bad news.
A review of 22 trials in JMIR Serious Games shows what that something is. Two kinds of game beat their comparison: games you control with your breathing or heart rate, and games built around CBT exercises. Games that simply got people moving did no better than ordinary exercise. The authors are careful to say the overall evidence is weak and the results are not conclusive, which is fair.
The study this article used to lead with is the Plants vs. Zombies one from 2018, and it was oversold here. I wrote that players did better than people on medication. That is not what happened. Everyone in the study stayed on their antidepressant, and the comparison group added a second drug while the other group added about half an hour of casual gaming, four times a week. There were 54 people, they chose their own group, and they had been recruited for depression rather than anxiety. In-the-moment anxiety improved more in the gaming group. Longer-running anxiety did not. It is an interesting result, but a small and messy one, and you can read it in Simulation & Gaming.
Why depression responds better than anxiety
The split between depression and anxiety makes sense if you think about what each one needs. Low mood tends to lift with pleasure, small achievements and company, and games supply all three in quantity. Anxiety is a threat alarm, and it settles when something teaches the body that the threat has passed. Slower breathing does that. So does facing the feared thing in small doses, or catching a worried thought before it runs away with you.
A game only helps with anxiety when it happens to train one of those, which is exactly the pattern in the trials. The games with a breathing or heart rate sensor work because calming down is literally how you win. The CBT games work because they are therapy with a game wrapped around it. A pleasant puzzle game is good company for a bad evening, but it is not teaching your nervous system anything in particular.
Which games seem to help
Biofeedback games have the best evidence for anxiety specifically, and they are the most consistent across studies. Games built on CBT exercises come next, though they worked for adults in these trials and not for teenagers. Casual and puzzle games have a run of small positive studies behind them, enough to call promising but not proven.
Two popular claims do not hold up as well. Exercise games feel good afterwards, but in controlled trials they do not beat ordinary exercise, and often do not beat doing nothing. Tetris gets cited a lot because of a well-known trial where people played it shortly after a car accident and had fewer intrusive flashbacks that week, but the advantage was gone a month later and their anxiety was no different either way. That study is about traumatic memories, not about anxiety.
Multiplayer games are their own case. Players who socialise in games report less loneliness and more support, which matters if isolation is part of the problem. One survey of 301 gamers found that those friendships did not translate into lower anxiety scores. Both things can be true.
How much is too much
Three hours a day is the clearest number in this field, from the console lottery study. Before that, more play went with better mental health. After it, the relationship turned around.
Gaming disorder is real but less common than the coverage suggests. The largest review, covering more than 226,000 people across 17 countries, put it at roughly two to three percent. The same review found that over three quarters of the difference between studies came down to which questionnaire the researchers used, so treat dramatic figures with suspicion.
On whether heavy gaming causes anxiety or follows it, the best long-term data tracks nearly 5,000 teenagers across a year, and it runs both ways. Anxious teenagers were slightly more likely to develop disordered gaming later, while disordered gaming predicted later anxiety much more strongly. The combination of high anxiety and heavy play was riskier than either on its own.
In daily life the hours matter less than what they displace. If gaming is cutting into sleep, meals, work or people, and stopping feels impossible, that is worth mentioning to a doctor whatever the number on the screen says.
Using it sensibly
The sessions in the studies that worked were modest, around thirty to forty five minutes a few times a week. That is a useful model. Games you can put down easily are better than ones that punish you for stopping, and playing before a bad stretch builds up works better than reaching for it as a rescue. If isolation is part of what you are dealing with, co-op with people you like does more than playing alone.
The things that backfire are predictable. Competitive ranked matches when you are already wound up add stress rather than removing it. Gaming instead of sleeping costs more than the session gives back. Using a game to avoid something you are anxious about teaches avoidance, which is the one habit anxiety does not need help with.
If anxiety is a regular part of your week rather than an occasional visitor, treat games as company for the work rather than the work itself. Therapy and, where it is warranted, medication still have far more evidence behind them than anything described here.
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