Planarian Calamarium

The 1st Edition AD&D Dungeon Master's Guide contains the seeds of a standard method to resolve actions. In the example adventure, a ...

There is a recent trend towards RPG designers leaving design notes in their actual game books. I have mostly avoided them in my work. If the...

I have been ruminating about old school D&D Ability Scores, and whether they meant all that much. So I decided to run the numbers. I ent...

Lower level parties sally forth to the dungeon with a healthy concern for logistics - food, shelter, water, light, etc. Failing to stock up ...

Image by StockSnap from Pixabay   Seeing all the discourse about how games do not support something if they do not have rules for it, I...

 Presented with little fanfare, and largely self-explanatory. Hopefully, this helps someone.

 The 1.5 edition of METTLE Core marked a long period of reconsidering prior versions and is the most drastic revision since publication. The...