Number memory test: how many digits can you remember?

Remember the number, type it back, and add a digit every level.

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Number Memory Test game cover

A classic digit span test

The number memory test is a version of the digit span task: how many digits can you hold in short-term memory at once? It starts with a single digit and adds one each level, so you always play at the edge of what you can remember.

How to play Number Memory Test

  1. A number appears for a few seconds, then disappears.
  2. Type the number you saw and press Submit.
  3. Each correct answer adds one digit to the next number.
  4. One wrong answer ends the game. Your score is the longest number you got right.

Number Memory Test tips

Chunk the digits

Read 4 8 2 9 1 7 as 482 and 917. Two or three chunks are far easier to hold than six loose digits.

Say it in your head

Repeating the number silently as a rhythm, like a phone number, keeps it fresh until you type it.

Type straight away

Memory for digits fades within seconds. Start typing the moment the box appears.

Frequently asked questions

How many digits can the average person remember?

Most adults hold about 7 digits, give or take two. With chunking, many people reach 9 or 10.

Is this a medical memory test?

No. It is a game for fun and practice, not a medical or diagnostic test.

Why does the number stay longer on later levels?

Longer numbers get a little more time on screen, so each level stays fair.

Guides for Number Memory Test