Number Memory Test & Digit Span Practice
Memorize a digit string, let it disappear, then type it back exactly. Use a progressive span test or repeat one fixed digit length and display time for ten rounds.
Start Number Memory
Span Test begins with one digit and adds one digit after every exact recall. Fixed Training keeps the setup constant so you can practice the same length without turning one miss into the end of the session.
How the number memory test works
A number appears in large type for a short period, then disappears. After it is hidden, type the digits in exactly the same order and submit your answer. In Span Test, the first round contains one digit. Every correct answer increases the next string by one digit. The first incorrect recall ends the run, so the primary result is the longest digit string you successfully reproduced.
The display time scales as the test grows. Short strings stay on screen briefly while longer strings receive more viewing time, capped at five seconds. The goal is to keep the challenge focused on immediate recall rather than making long strings impossible to read before they vanish. The generated sequence is deterministic for the current Practice seed, which means the same seeded run can be reproduced during testing without pretending that a random number is authored content.
Scoring is deliberately simple. Each cleared digit of span is worth 100 points up to the platform's 1,000-point Practice scale. The completion result also reports the actual digit span because a normalized game score and a task-specific span are not the same thing. DailyBrainArc does not convert the result into an IQ score, cognitive age, diagnosis, or invented population percentile.
Fixed Training is a different job
A progressive benchmark is useful when you want to see how far one run goes, but it is not always the best way to practice a weak range. Fixed Training therefore lets you choose a digit length from 3 through 15 and a display time of 0.5, 1, 1.5, 2, 3, or 5 seconds. The game then generates ten fresh strings at exactly that setup.
Training reports exact recalls out of ten and your best consecutive exact streak. A local setup best is saved only against the same digit length and display time, so a 7-digit / 1.5-second run is never presented as directly comparable with a 10-digit / 5-second run. This makes the saved result transparent and useful without inventing a universal mastery score.
- Span Test: one miss ends the run; each clear adds one digit.
- Fixed Training: ten rounds at one selected length and display time.
- Local bests: all-time span is retained separately from setup-specific Training bests.
Number memory versus sequence and visual memory
All three Memory Practice styles involve short-term recall, but the information you must retain is different. Visual Grid briefly reveals several positions at once and asks which locations were highlighted. Sequence Memory plays positions one at a time and requires you to reproduce their order. Number Memory removes the spatial grid and asks you to reproduce an ordered string of digits.
Keeping these mechanics distinct matters. A person can find one format easier than another because the task itself changes. DailyBrainArc therefore keeps one Memory core game with separate Practice styles rather than claiming that the three scores are interchangeable measurements of a single hidden ability.
Local-first progress without account claims
Practice results stay on this browser. V0.45 adds durable Memory specialist records so the best Visual Endurance level, Sequence length, and Number span do not disappear simply because older runs fall out of the recent Practice-history window. Number Training also keeps setup-specific bests locally. No account, cloud profile, backend database, or paid API is required for those records.
The numbers should be read as personal task records. A new best means you completed a harder version of this browser task than your stored previous best under its rules. It is not a medical assessment and it does not diagnose memory problems. Conditions such as fatigue, device input, interruptions, and familiarity with chunking strategies can all change a single run.
Controls and practical strategy
Press Start, watch the full string, and wait until it disappears before typing. The input accepts digits and Enter submits the recall. On mobile, the field requests a numeric keyboard. A useful in-game strategy for longer strings is to group digits into small chunks rather than trying to hold every character as an isolated item. Fixed Training is the better place to practice a chosen chunk size because the difficulty stays constant for all ten rounds.
If you want a spatial task next, Sequence Memory uses an ordered 3×3 path and Visual Memory uses simultaneous highlighted positions. If you want attention rather than hidden information, Visual Counting leaves every symbol visible and asks you to scan for an exact count.