Most guides to puzzles for older adults start from the assumption that puzzles protect the brain and then list some. This one starts from what the research supports, which is narrower and more useful, and then says what to look for in a puzzle and where to find free ones.
What the evidence supports
Adults over 50 who do word and number puzzles more often score better on tests of attention, reasoning and memory, in a study of more than 19,000 people.[2] That is an association, not proof that puzzles cause the difference. One randomised trial found crosswords outperformed computer games for people with mild memory impairment.[5] The Global Council on Brain Health concluded that commercial brain games have not been shown to improve everyday function, and recommended cognitively stimulating activity that is novel, engaging, challenging and enjoyable instead.[1]
So: puzzles are a reasonable part of an active later life, not a treatment. The things with stronger evidence are hearing and vision care, blood pressure, movement and social contact, which we cover in how to keep your mind sharp.
What to look for in a puzzle
- Challenge without frustration. A puzzle you always finish easily has become automatic. One you never finish is discouraging. The sweet spot is a puzzle you usually complete with some effort.
- Variety. In a cohort followed by Carlson and colleagues, breadth of activity predicted lower risk of impairment better than the difficulty of any one activity.[4] Rotate between words, numbers, logic and something physical or social.
- Explanations. A puzzle that shows you why the answer is right teaches something; one that just marks you wrong does not.
- Legibility and control. Large type, high contrast, no time pressure unless you want it, and nothing that punishes a mis-tap.
- Morning availability. Older adults perform demanding tasks best early in the day.[3] A puzzle that is ready when you are, rather than one that arrives at 6 pm, fits better.
Free options by type
| Type | What it exercises | Free places to find it |
|---|---|---|
| Crosswords | Vocabulary, general knowledge, wordplay | Most newspapers’ free daily quick crossword; library books |
| Word deduction | Working memory, reasoning | Wordle and its many free variants |
| Sudoku and logic grids | Attention, elimination, deduction | Newspaper puzzle pages; free sudoku sites |
| Mental arithmetic | Processing speed, working memory | Brisk’s maths trainer |
| Mixed daily set | A little of each, in two minutes | Brisk’s daily challenge, no signup |
| Jigsaws | Visuospatial skill, patience | Charity shops; free online jigsaw sites |
A note on Brisk
Brisk was designed with older players in mind without being labelled for them: large targets, one question on screen at a time, no penalties for slowness beyond leaderboard position, and an explanation for every answer. It is free, needs no account, and the archive lets you revisit any past day at leisure. It is a game, not a health product, and we say so on every page.
Common questions
Are online puzzles as good as paper ones?
There is no evidence either way on the medium. What matters is that the puzzle is challenging, varied and enjoyable. Online puzzles have practical advantages: adjustable text size, no small print, instant answers, and no need to buy books. Paper has the advantage of no screen.
What about puzzles for someone with dementia?
Simpler, familiar and failure-free activities suit better than timed or competitive ones, and enjoyment is the goal. The one randomised trial in mild cognitive impairment found crosswords helped, but it involved supported training rather than solo play. Talk to the person’s care team about what suits them.
Is there a best time of day?
For most people over 60, the morning. Older adults tend to be morning types and perform demanding tasks better then. Try puzzles at different times for a week and notice when they feel easiest.
Sources
- Global Council on Brain Health. Engage Your Brain: GCBH recommendations on cognitively stimulating activities. AARP; 2017. · Expert consensus statement Read the study
- Brooker H, Wesnes KA, Ballard C, et al. An online investigation of the relationship between the frequency of word puzzle use and cognitive function in a large sample of older adults. International Journal of Geriatric Psychiatry. 2019;34(7):921–931. · Cross-sectional, 19,078 adults aged 50 to 93 Read the study
- May CP, Hasher L, Stoltzfus ER. Optimal time of day and the magnitude of age differences in memory. Psychological Science. 1993;4(5):326–330. · Experimental Read the study
- Carlson MC, Parisi JM, Xia J, et al. Lifestyle activities and memory: variety may be the spice of life. Journal of the International Neuropsychological Society. 2012;18(2):286–294. · Prospective cohort Read the study
- Devanand DP, Goldberg TE, Qian M, et al. Computerized games versus crosswords training in mild cognitive impairment. NEJM Evidence. 2022;1(12). · Randomised controlled trial Read the study