1. If you enter the gate 100, you will see the following:
This level needs to be calculated according to Roman numerals. In Roman numerals, X= 10, V=5, L=50, C= 100, XV-XII= 15- 12=3, and X-V = 65438+. The last password is 3/5/9/7/ 1. Press the bomb to clear customs.
Second, if you see the picture below:
Press two white circles at the same time, then slide up until the door opens, and you can clear the customs.