Memory games about everyday situations are a great way of getting your child to remember things you've done together, reinforce what they've learnt from them and practise talking using the past tense.
Experts believe a reason behind puzzles boosting memory is that they encourage focus Older people who play puzzle games online have the same memory ability as those in their 20s, a study has found.
Created by Benjamin Tran Dinh, the Metro Memory Game has had over 100,000 plays since it was released on Friday. The 32-year-old said he was "surprised at the game's overnight success".