01 / 04Visual response
Reaction Time
Wait for the cue, then respond. Complete five trials to see your average and median.
5 trials · milliseconds Play
Five short browser games
Quick games.
Results in context.
Short browser games for reaction time, digit recall, visual search, spatial sequence memory, and pattern switching. Play instantly—no account required.
Informal game scores only—not clinical or standardized assessments.
05 simple games0 sign-up stepsLocal score history
Choose a challenge
Five quick games.
02 / 04Digit recall
Number Memory
Recall a sequence that grows by one digit each round. Leading zeroes count.
1.5-second display · digits Play
03 / 04Visual search
Quickness
Find and select the numbers from 1 to 50 in ascending order.
1 → 50 · elapsed seconds Play
04 / 04Spatial recall
Visual Sequence
Watch a 3×3 tile pattern light up, then repeat the sequence in order.
2 → 12 flashes · levels Play
05 / 04Rule switching
Pattern Switch
Use alternating Match and 180° Switch rules to choose a tile in a 3×3 grid.
10 untimed choices · correct / 10 Play
Good to know
Scores need context.
A result from one session
Each score follows the rules of its game. It is not compared with a population or presented as a diagnosis.
Your browser, your history
Recent scores and personal bests stay in this browser. They are not cloud-synced and can be cleared any time.
Hardware changes the result
Display, browser timing, device speed, and input method all affect a session—especially reaction time.
About these games
Short browser games for focused practice
Brain Gyms is a small collection of browser games with session-level scores. Results describe a game session, not a standardized assessment or a measure of general ability.
Choose a game
Reaction Time records responses to a visual cue. Number Memory asks you to recall a displayed digit sequence. Quickness asks you to select numbers in ascending order. Visual Sequence Memory asks you to repeat a pattern of highlighted positions in a three-by-three grid. Pattern Switch asks you to follow alternating Match and 180° Switch rules on a grid.
Use scores as personal session records
Scores depend on the game rules and can vary with display refresh rate, device performance, input method, attention, and environment. They are not standardized test scores or measures of general ability.