The benefit of each game (with scientific sources) and how to play it
Digit span is a classic way to measure and train working-memory capacity. Baddeley (1992) showed working memory underlies reading, arithmetic and focu...
Remember the digits in the grid
Remember the color sequence
N-back is the most-studied working-memory exercise. Jaeggi et al. (2008, PNAS) showed n-back training can improve measures of fluid intelligence. It r...
Memorize the number in 1 second
Catch the flashing number
Sum of the flashing numbers
Find matching pairs of cards
This is the exact task used in the Jaeggi (2008) study. You track two streams at once (position + colour/sound) — one of the most demanding working-me...
Verbal Memory trains the verbal channel of working memory — the "phonological loop" in Baddeley's model. It matters for language, reading and listenin...
By ear only — does it match N steps back?
Memorize the lit-up path and repeat it
Switching between tasks (Monsell, 2003) trains the brain's ability to move quickly from one rule to another — cognitive flexibility. It is one of the...
Find numbers 1-25 in order as fast as you can
The Stroop effect (Stroop, 1935) is one of psychology's most famous experiments. When a word's meaning and colour conflict, suppressing the wrong answ...
Go/No-Go is a classic response-inhibition task. Diamond (2013) highlights inhibition as a core executive function for attention, discipline and planni...
Count items of a specific color
Find the group with more elements
Find the element that differs from the others
Divided attention is the ability to monitor two sources at the same time. It is an important part of attention control and executive function (Diamond...
Hit only the right kind of numbers
Pick the greater VALUE — don't be fooled by size
Blue — same way, red — opposite
The rule changes — reboot your brain fast
Sense when the train exits the tunnel
Find the missing number
Continue the pattern
Find the next number in the sequence
Find the missing number in the 3×3 magic square
What does X equal in the equation?
Mastermind trains deductive logic and planning — you analyse the clues and think through the next move. It builds executive function and problem-solvi...
Make 24 from 4 numbers using +, −, ×, ÷
Find the missing number to balance the scale
Correct — right, wrong — left
Based on the classic Shepard & Metzler (1971) experiment. Rotating shapes in your mind to compare them trains spatial reasoning — important for maths,...
Turn off all the lights
Mini Sudoku — 4×4 or 6×6
Stare at the center, catch the flash on the edge
Which cup hides the ball — watch closely
Draw the mirror (symmetric) reflection of the pattern
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