Duplicate numbers

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.

[Mode choice]
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.

Endless mode
- 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!