Train system.
The first hint to crack the puzzle «Train system.» is:
It is a word which contains 8 letters
The second hint to crack the puzzle «Train system.» is:
It starts with letter R
R
The third hint to crack the puzzle «Train system.» is:
It ends with letter D
R
d
Looking for extra hints for the puzzle «Train system.»:
Click on any empty tile to reveal a letter
R
d
The answer for the puzzle «Train system.» is:
R
a
i
l
r
o
a
d