Level	Password
1	RGNC4L
2	RDNC6L
3	SDND6L
4	9DNX6L
5	9CNX7L
6	DCNS7L
7	5CNJ7L
8	5HVJVX
9	5CXJ7V
10	582J35
11	58VJ3X
12	5RVJLX
13	5H?JVC

Hint: Item locations:

Apple: 1687
Egg: 80 B.C.
Flag (New Indian): 1947
Flag (USA): 1969
Light Bulb: 1879
Physics Equation: 1905
Propeller: 1903
Quill Pen: 1602
Sledgehammer: 1989
Steering Wheel: 1520
Stovepipe Hat: 1862
Sword: 1192
Throne: 31 B.C.
Torch: 776 B.C.