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Guides
The ideas behind the games
Short, honest explainers on what your brain is actually doing when you play — what the research does and doesn’t support, and a few concrete things worth trying. No miracle claims, just the mechanics, and a game at the end of each one to test it on yourself.
How to Improve Your Reaction Time
What actually speeds up your reflexes, and what's mostly marketing.
Train Your Working Memory: What Actually Works
The mental scratchpad behind focus and arithmetic, and what training it really does.
Why Your Brain Can't Remember Colors
Why a colour you just looked at is already slipping from memory.
Mental Math Tricks to Get Faster at Arithmetic
A handful of reusable tricks that make arithmetic click faster in your head.
The Stroop Effect: Why Naming Colors Is So Hard
Why naming a colour is so much harder when a word disagrees with it.