Olden Era Template Viewer

Browse 60+ built-in RMG templates or upload your own.

What is this?

A Random Map Generator (RMG) template viewer for HOMM Olden Era. Visualizes template information, zone layout, connections between zones, zone contents, guard parameters, and more.

How to use:

Pick a template from the list or upload your own .rmg.json. Click a zone to inspect its contents.

No servers, no accounts — everything runs in your browser.