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[Skylabh]

As you know, when you start a new game , there is the song "One Way or Another", from the rock band "Blondie", which is played.
This song comes from an album of the band, which was released in 1978.
The interesting fact about this album, is that it's called "Parallel Lines ".
Of course the term "Parallel Lines" can refer to both eras.
Now I don't know if the game's name has something to do with the album's name.

Sources:
Wikipedia
https://en.wikipedia.org/wiki/Parallel_Lines

Youtube

[Zombie2358]

Hi I think they gave the name Parallel Lines because the two lines in the logo actually shows that the game takes place in two eras. One is 1978 and the other one is 2006. That's what i think.