Did Civ4 borow too much?

[N3pomuk]

Lol can I borrow a piece of gum?

Seriously though, what would you say? stolen? oviously the Ideas arent gone

 

[Guerra]

Copied would be appropriate.

 

[player1 fanatic]

Adopted would be even better.
Since none of idea is copied in original form.

 

[FranklinNoble]

I never played any of the CTP games... I was always under the impression that they were cheap Civ knock-offs... perhaps I should give them a look?