As one might have guessed 14 is Romance of the Three Kingdoms VIII.
10: Hint 1: Small state versus Empire.
Hint 2: Originally had 6 controllable characters and some guests.
9 Hint 1: The 3rd out of 4 games in this 3rd person action series to release for the PS2.
8 Hint 1: Possibly one of the most played PC games ever.