I’m working on the Age of Discovery (working title), an action-adventure game for Playdate set in 15th-century Portugal. The game is meant to be built around exploration and navigation, with a focus on the tools and techniques of early maritime exploration. The story is inspired by the real-life voyages of Portuguese explorers with historical references of the era. It may have some elements of a RPG, but the main focus is on the adventure and discovery aspects. The top-down view is inspired by DnD maps and classic adventure games.
Here's the Lagos scene with early scripting experiments: