Guides
How the games work, and how to get better.
Clear, no-fluff guides to reaction time, memory span, the Stroop effect, dual N-back and the rest. Each one explains what is being measured, what a good score looks like, and how to improve — backed by a free game that runs in your browser.
How Many Digits Can You Remember?
Seven is the famous 'magic number' for digit span. Here is where it comes from and how to beat it.
Read guideHow to Improve Your Sequence Memory
How long a pattern can you hold? Here is what sequence memory is and the simple tricks that stretch it further.
Read guideHow to Improve Your Verbal Memory
How many words can you keep straight as the list grows? Here is what verbal memory is and how to stretch it.
Read guideHow to Improve Your Visual Memory
How much of a flashed grid can you hold? Here is what visual memory is and how to remember more of it.
Read guideHow to Improve Your Mouse Aim
Aim is a trainable skill. Here is how sensitivity, posture and practice come together to bring your time per target down.
Read guideHow to Use a Schulte Table
A simple grid that speed readers swear by. Here is how a Schulte table works and how to bring your time down.
Read guideHow to Win Memory Match in Fewer Moves
The classic concentration game. Here is how to clear every pair in as few moves as you can.
Read guideHow to Win the Simon Memory Game
The classic colour-and-sound memory game. Here is how to use both the tones and the colours to push your streak further.
Read guideWhat Is a Good Reaction Time?
Most people land around 250 ms on a simple click test. Here is what the number means and how to push it lower.
Read guideWhat Is Dual N-Back?
The brain-training task researchers study most. Here is what dual N-back is, how to play it, and where to start.
Read guideWhat Is the Chimp Test?
Can you really lose to a chimpanzee at memory? Here is the story behind the chimp test and how to do well at it.
Read guideWhat Is the Stroop Effect?
Why is it hard to say the colour of the word 'red' when it is printed in blue? Meet the Stroop effect, one of psychology's most famous findings.
Read guideSkip the reading — just play
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