Find a duplicate number in random order!
[How to play]
– There is a duplicate number (two same numbers) in the top of screen.
– When you find the duplicate number, tap the number keypad under the screen.
Two play modes
Time attack mode
– Clear 20 questions in the allotted time.
– Your score changes depending on how long you take to solve all questions and how many correct answers you get.
– Continue to solve questions.
– If you don’t find an answer within the limited time or you choose a wrong number, it’s game over immediately.
[Score & Ranking]
– Get a high ranking!