The Squiggle Brain blog
- Free brain games for adults with no subscription (2026)
What you actually get for free in brain training apps, the three ways "free" apps make money, and how to find brain games for adults with no subscription.
- Does brain training work? What the research actually says
An honest look at the evidence on brain training games, from the big 2016 review to the FTC's Lumosity case and the 20-year ACTIVE study, and what it means for you.
- Brain games you can play offline (no Wi-Fi needed)
How to find brain games that work without internet, the 30-second airplane-mode test, and offline puzzle ideas for flights and commutes.