2
votes
1answer
102 views

Mixing SRD Main and d20 Modern SRD

I've read through the legal information and there doesn't seem to be any constraints against mixing SRD main and d20 Modern SRD, but I wanted to double check hoping someone here might know better. I'm ...
11
votes
4answers
670 views

Are there any examples of OGL retro-clones of non-D&D games?

I'm planning a project to create a retro-clone of a non-D&D game. The problem is that I specifically want to restate the mechanics of the game as faithfully as possible, but I'm not sure how to ...
6
votes
3answers
213 views

What can make OGL material harder or easier to reuse in other products?

I keep reading about OGL material that is written in such a way that makes it harder to use than normal, and other OGL material that is written such that it's easier to reuse in other products. ...