The Forgotten City

In 13 libraries here. 4 launched it, and the typical player put in 6.9 h. 1 finished it.

The main story is about 3 evenings of two hours, or 4 with the extras.

Named in 0.1% of Name 100 runs, about 1 in 1,685: people remember it when asked to name 100 games from memory.