N-Back Memory Game

Rules:

  • • First, memorize 2 numbers
  • • When a new number appears, select the number from 2 positions back
  • • Try to get all 10 questions correct
  • • Game ends immediately if you make a mistake
  • • Your score is the time taken to complete all questions

Example (2-Back):

Shows: 3 → Memorize
Shows: 7 → Memorize
Shows: 1 → Select: 3 (2 back)
Shows: 9 → Select: 7 (2 back)
Shows: 5 → Select: 1 (2 back)