PIN code · Numbers
A code appears briefly. Remember it and enter it.
Look at the code while it is shown, then type it on the keypad. The codes get longer as you go.
How to play
Look at the code while it is shown, then type it on the keypad. The codes get longer as you go.
What it trains
Holding numbers, letters and words in mind — the memory you use for phone numbers, PIN codes and lists.