Sid Meier's Civilization IV: Colonization

In 19 libraries here. 4 launched it, and the typical player put in 0.9 h.

The main story is about 6 evenings of two hours, or 8 with the extras.

Named in 0.1% of Name 100 runs, about 1 in 674: people remember it when asked to name 100 games from memory.