Memory Ninja

Since appears Introduction 3 seconds tips, and gather all the picture within the limit of the memory to rely on time.
The time limit will vary depending on degree of difficulty.
In addition, it reduces the time limit of 20 seconds to several times Otetsuki.
Time limit and Otetsuki the number of times each difficulty level are as follows.
-Friendly: 10 minutes, 5 times
- Normal: 5 minutes, 4 times
· Difficult: 3 minutes, 3 times
- Very difficult: 2 minutes, twice