Look Back

Pictures appear one at a time. Say whether the current picture is the same as the one shown a few steps earlier.

Difficulty
High score
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One picture appears at a time. Remember it. Once enough pictures have appeared, say Match if the current picture equals the one shown N steps earlier, and No match if not. Easy compares one step back, Standard two and Hard three. There is no timer; a round has 16 questions.

How to play
  1. Look at each picture and keep a short list in your head.
  2. Press Match if it equals the one N steps back.
  3. Press No match if it does not. Answer all 16 questions.
Tips and tricks

A few ideas that make Look Back easier and more fun:

  • Say the pictures quietly to yourself, like a chant: fox, key, fox.
  • Let go of pictures that are too old. Only the last few matter.
  • Start on Easy to find the rhythm, then try two back.
About Look Back

Play Look Back online

The N-back task is a well-known exercise from psychology research on working memory. Biuno turns it into a calm, untimed game with pictures.

Why it works

You update a rolling list in your mind and compare. The task uses working memory and attention.

These are the skills used during play; improvement outside the game is not established.