Working memory
Digit span
Digits appear one at a time. Type them back, first in order, then in reverse.
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Brain games
Twelve games of memory, reasoning and speed. Each one has its own weekly board, and the top players of the week win a prize.
Visuospatial memory
Block span
Squares light up one after another on a grid. Tap them back in the same order.
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Spatial reasoning
Mental rotation
Two shapes. Decide whether one is the other turned round, or its mirror image.
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Processing speed
Symbol search
A two minute clock. Say whether the symbols match, as fast as you can.
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Memory updating
N-back
A stream of symbols. Press when the current one matches the one N steps back.
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Fluid reasoning
Matrix reasoning
A grid with one cell missing. Work out the rule, then pick the piece that finishes it.
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Number reasoning
Number series
Five numbers follow a rule. Work out the sixth.
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Fluid reasoning
Figure analogy
A changes into B. Apply the same change to C.
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Classification
Odd one out
Five figures, and four of them share something. Find the one that does not.
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Number reasoning
Mental arithmetic
One sum at a time. Add, subtract, multiply, or find the missing number.
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Visuospatial memory
Spot the change
Four figures flash up on a grid, vanish, and return. Did one of them change?
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Inhibition
Go, no go
Press for every symbol except one. The hard part is not pressing.
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