The Impossible Codex / Tools / Drop Map Generator

The method

Drop the dice. Read the world.

The drop-map technique comes from the tabletop tradition: scatter dice across a page and let where they land become your map. Each die type is a kind of feature, each face a specific result. This is that method, digital — with the randomness intact and the tedium removed.

How it reads

The dice

d4 mountains, d6 hills & lowlands, d8 deserts & badlands, d10 forests, d12 settlements, d20 points of interest. Bigger dice roll farther.

The edit

Drag any die, re-roll it, delete it, or add more. Nothing is locked until you generate the map.

No AI

Every result is a dice roll against a curated content table. Predictable rules, surprising worlds.

Credits & inspiration

Standing on the shoulders of dice-droppers.

The drop-map idea isn't ours — it comes from the tabletop community. This tool was inspired by the work of these creators, and we're grateful for it:

If this helped, keep it free for someone else.

Supporters are why there’s no signup wall, no premium tier, and no “unlock with pro” buttons.