Still thinking about sandbox play over here. Besides D&D and Traveller, what other genres would the numbered hexmap work for? Off the top of my head:
Pulps focused on exploring Lost Worlds and distant continents
Basically, you need a genre where wandering the map and finding trouble would be a cool thing.
Magic, Madness, & Sadness Part VI - A Handy Guide To Non-Existence - *Then an angel of the **Lord**appeared to him… When Zechariah saw him, he was startled and gripped with fear. But the angel said to him: “**B**e * *not...