Zombie apocalypse game with souls like combat but all slow zombies. The game takes your GPS coordinates (or any coordinates you enter) and uses a maps API call to generate the game map based on the real world. It would take things like residential/commercial/industrial areas and generate similar structures but not exact to not be a privacy issue. All major landmarks would be generated. So you could start from your house, or the Eiffel tower, or the middle of the Amazon. Things like grocery stores and malls and schools would be in similar locations, roads and highways etc.

The game would generate slightly different every time you create a map so while always based on the real world, things would be different.

You then must rescue your partner who is across the map (random generated) and find shelter.

There would be some crafting and survival mechanics, but mostly action based combat, skills to level up etc. Minimal if non-existent gunplay, though I'd be open to it if done well.

Very gorey, rogue like/light with persistent stats and incremental style progression (get so far then reset/start new map with higher their upgrades)

So think dead rising meets dark souls, mixed with vampire survivors and incremental games, all with this AR framework. I also considered a multiplayer persistent map br style mode but would prefer a single player experience myself