I usually prefer ascending AC to descending AC, but I never thought THAC0 was particularly complicated. You don't even need subtraction ...

We used to joke about needing a spreadsheet to run certain games, but, come to think of it, this can work WONDERS for your campaigns - espec...

I've written several posts on similar subjects; they are mentioned below. This is a compilation of sorts. You only need a piece of paper...

Lately, I've been reconsidering the amount of work I put in my campaigns. As an example, let's talk dungeons. No matter if you creat...

When I wrote Alternate Magic , I tried to keep it very compatible to BX / OSE.  Here is what I've been using . A spell costs 1 SP per sp...

I've considered several hex sizes before. Today I will think about 30-mile hexes. Look at this map ( source ): The hexes are about 31-mi...

The various D&D skill/ability systems vary in how much they rely on ability scores and level; some abilities (e.g., forage in B/X) are u...