Isonzo

In 5 libraries here. 3 launched it, and the typical player put in 1.3 h. 1 finished it.

The main story is about 6 evenings of two hours, or 10 with the extras.

Named in 0.0% of Name 100 runs, about 1 in 3,370: people remember it when asked to name 100 games from memory.