RosenMcStern
Mongoose
PhilHibbs said:2. Thou shalt not re-publish the HeroQuest rules as they are, nor present slight variations as though they were the HeroQuest rules. Your own rules are not HeroQuest rules, though, so you can include them.
This. Done. With written, explicit Moon Design approval. So it can be done.
We just put a big "Alternate" in boldface at the top of the rules page.
As for competition, both economics and evolutionary science will tell you that "Competition is good".