What my kids actually learned from a week of daily puzzle games

I'm a parent and a software engineer, and I'm sceptical of most claims about "brain training." A lot of the research on cognitive games is honestly underwhelming — most studies show kids get better at the specific game, not better at general thinking. So when I say I noticed real changes in my kids from a week of nightly puzzle games on this site, I want to be specific about what those changes actually were, instead of waving at vague benefits.

1. Jacob (7) figured out what "strategy" means

Jacob is seven and just learning to read. Before this week, when he played a game and lost, his response was either to declare it unfair or to try the same thing again, harder. After a few nights of Shut the Box, I watched him roll a 7, look at the tiles, and say out loud: "if I shut the 7, I can't make 10 next." That's not a profound mathematical insight, but it's the first time I'd ever heard him plan a move two steps ahead in a game with random elements. Shut the Box rewards that kind of thinking because it's transparent — the cost of a bad choice is visible immediately.

2. Josie started spotting patterns faster in everything, not just puzzles

This one surprised me. After a stretch of Associations (a connections-style puzzle), Josie started doing the same kind of grouping unprompted — sorting laundry by category instead of by colour, organising her notes into themed sections. I'm not claiming the game caused this, but the practice of holding sixteen things in your head and looking for the hidden link between four of them is unusually direct training for that skill. It's the same mental motion. It's possible she'd have learned it anyway, but the game made it fun.

3. Both kids got better at losing

This is the one I care about most. Browser puzzles have a brutally short loss-and-retry loop. You lose in Sudoku, you restart in five seconds. You miss the target in Stopwatch Challenge, you tap again. Kids who play these regularly start to treat losing as information instead of a personal attack. By the end of the week, Jacob was missing hoops in Flappy Dunk and just saying "again." That is, no exaggeration, a life skill.

4. Reading-speed gains, but only for the right kind of game

Word games like Wurdle and Cowboy Hangman did genuinely help Jacob's reading. The games force him to look at a word, sound it out, predict what's next, and the feedback is instant. Hangman in particular — because the word is hidden — forces him to think about what letter could be there. But word games are the exception. Plinko doesn't teach him to read. I want to be careful not to pretend every game is secretly educational.

5. They both got more comfortable typing

Josie was already a fast typist, but Jacob — who normally hunt-and-pecks — was way more willing to use the keyboard after a stretch of Wurdle. The letters became a tool he wanted to use instead of an obstacle. That carried over to him being more confident messaging his cousins in our family chat.

What I don't think happened

I don't think their IQs went up. I don't think they got smarter in any measurable academic way. I do think they got a little more comfortable with the loop of try, fail, notice why, try again, which is the whole thing, really. That loop is at the centre of every game on this site, and it's at the centre of every useful skill I've ever picked up as an adult.

If you want to try this with your own kids, my honest advice: pick two or three games, play them together, talk through what you're thinking out loud, and don't make it a homework assignment. Twenty minutes is plenty. We do it after dinner.

— Chris