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Memory, focus and speed. Short rounds, best scores saved in your browser.
Reaction Time
Wait for green, then click as fast as you can. Five tries, average in milliseconds.
Speed · 5 tries
Sequence Memory
Tiles light up in order. Repeat the pattern; every round adds one more step.
Memory · Endless
Number Memory
Memorise a digit sequence. Get it right and it grows by one; miss and it shrinks.
Memory · 10 rounds
Visual Memory
A few tiles flash on the grid. Click them all back. The grid keeps growing.
Memory · 3 lives
Mental Maths
60 seconds of arithmetic that gets harder the better you do.
Arithmetic · 60s
Arrows
Blue arrows: follow the middle one. Red arrows: follow the sides. Fast, and they vanish.
Attention · 3 min
Neurolympics
Collect: memorise the grid, spot what changed. Tune the item count and timing.
Memory · Attention
Schulte Table
Click 1 → N in order as fast as you can. Trains peripheral vision and focus.
Focus · 7×7 – 9×9