Brain Games That Actually Help? What the Research Shows
What reviews find
A meta-analysis of commercial computerised cognitive games in older adults reported modest, uneven effects, and it is unclear how far gains carry over to daily tasks such as remembering appointments. Practising a puzzle mostly makes you better at that puzzle.
What to try instead
- Learn a language or musical instrument, which keeps raising the difficulty.
- Play cards or board games with other people.
- Take a class, volunteer or join a club.
- Vary your routes, hobbies and reading.
Why social matters
A review of social isolation, loneliness and cognitive health links isolation with poorer outcomes. Activities that involve people tick two boxes at once.
A simple weekly routine
- Choose one demanding activity and do it three times a week.
- Add one social activity each week.
- Keep walking or other exercise in the plan.
- The NIA's brain health page collects further ideas.
Be skeptical of big promises
Ads that say an app "reverses brain age" rarely show independent, replicated results. The same skepticism applies to supplements, so ask for evidence on the exact product you are considering.
Keep it enjoyable
Mental effort should feel challenging but pleasant. If a game causes frustration, switch to something you enjoy; consistency beats intensity.
How to judge a game or app
- Does it keep getting harder, or does it repeat the same task?
- Is there independent research on the product, not just a company study?
- Does it replace time you would spend walking, sleeping or seeing friends?
- Do you enjoy it enough to continue for months?
A better use of the same time
Thirty minutes of brisk walking, a class or a card game with friends has more support than most apps. If you love puzzles, keep going, and treat them as a pleasant hobby, not a prevention plan.
Frequently asked questions
Sources
- PubMed: The use of commercial computerised cognitive games in older adults, meta-analysis (2020)
- PubMed: Social isolation, loneliness, and cognitive health (2025)
- NIH NIA: Brain health
General information, not medical advice. Offer details were checked on November 11, 2026; confirm on the order page and read the label on your bottle. See our disclaimer and how we research.