The Effect Engine Reference Document

The Effect Engine is the open-license core mechanic which powers Monsters and Magic. We’ll be posting the reference text shortly, describing the system which you can use freely in your own games and products. Watch this space!


  1. Since it appears that this site is a little out of date, can you give an update about when this SRD will be ready? Maybe give us a time frame?

  2. Five years since last comment. Any update?

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