This is a simple implementation of the letter-number sequencing (LNS) task commonly used in cognitive assessments.

• To play, ensure your audio is turned up, and press the button to begin.
• Listen to the prompt, which will consist of a sequence of letters and numbers.
• Enter the letters and numbers you hear into the text box, placing the numbers first in ascending order and then the letters after ordered from A - Z.
• Example: You hear "C, 7, A, 2"; you enter "27ac" and press [ENTER] or click "Submit."
• After 24 rounds, the game will end and your score will be reported.