RPG Page Layout

I'm an avid reader of RPGs. I don't just play them, I read rules and scenarios for fun. Therefore as a consumer I've got a lot of experience. I've come to a few conclusions about the digital layout and presentation of RPG books that I want to share in the hope that the thousands of professional RPG authors might catch a glimpse.

Alternative/Optional Rules: I've seen this "sin" in a number of rules sets. The principal is especially common in OSR games that like to offer Ascending and Descending Armour class options. I recently read WhiteBox which is a prime example of doing this. They offer two AC stats every time for the two alternatives. Yet even worse, is that in the "attack" section of the rules they offer two different ways of calculating if you've hit your target.

No. Just no!

This is a bad practice in a technical sense, Instead of providing clarity the rules-book is offering a set of alternatives, a mental fog if you will. And it not just on the initial reading, its also every time you need to look up something, you will have to wade through the confusion time after time.

Much better to separate your alternate rules and mechanisms, either stick them in a side bar, or better yet, add a footnote referring the reader the appendices.

Columns: When it comes to laying out rules books, there's always the question of columns. Should I use two column layout, or three? People with a lot of rules such as the Rules Cyclopedia, just default to three columns so they can cram the rules in.

Sadly, most people are asking the wrong question. Its not what looks best, its not how to cram text onto a page. The real question is: How will this book be used?

So, who is reading the book, and how are they reading the book? 

PDFs are read predominantly read on phones, sure at the game table you might have a laptop, but the majority of reading is on the humble phone. Multi column layout sucks on a phone, keeping the reader pinching and scrolling on every single page. So if you're creating PDFs for the love of all that's good in the world, keep it in a singular column.