This is a game to challenge your short-term memory.

When you start the game,fixed time, characters are displayed in some of panels.
Then, all of the characters are hidden.
When you tap the panel, hidden characters are displayed.
If it finds all the only "幸", you can clear the round.

After clearing, it appears the screen to select "NUMBER" or "TIME".
If you select "NUMBER", the number of characters in panels increases.
If you choose "TIME", time to display the answer is short.
In the next round, the selection is applied.

By choosing either "NUMBER" or "TIME" in a strategic way, please reach the goal.