About this game
Vault Code shows a number for 1.6 seconds and adds a digit each level. How long a number can you hold in your head?
Difficulty: ●●●●● ~2 min
How to play
A number appears for a moment. When it disappears, type it from memory. Each correct answer adds a digit.
Tips
- Split the number into pairs.
- Read it once, then repeat it in your head.
- Your score is the highest level you reach.
