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Memory

Three Back

Working memory

Is this the same shape as the card three back?

Starting level. Saved on this device.

  1. Try 5 practice cards. Nothing is timed, and a hint follows each answer.
  2. Then play a 60 second round for points. Right answers in a row fill the meter and raise your multiplier, and the level climbs as you go.

Left arrow (or N) is No. Right arrow (or Y) is Yes.

How to play

Three Back practices holding a longer run of things in mind while they keep changing. Cards show up one at a time. Keep the last three in mind, and say whether the new card is the same shape as the one three cards back. The first three cards need no answer. Use the left and right arrow keys, or the buttons.