Variance Supplemental 2: SotC (Wonkish)

Introduction This is the second supplement to the Variance and Game Design article. While there are some new observations, it covers much the same ground as the first supplement but for a different system, Spirit of the Century. So if you haven’t read the first supplement you should do that. If you have and are [...]

Variance Supplemental: Combat (Wonkish)

Introduction In my post about variance in game design I discussed the effect of rolling multiple times for combat resolution and how this reduces variability of combat results compared to non-combat results. This was supported by some simple logic and probability. However, I was interested in getting some actual numbers to back up that hypothesis. [...]

Variance and Game Design

Variance: or How Common Is Average Anyway? Introduction Most games incorporate an element of chance, usually with dice, though others use cards, coin flips, etc. While we are familiar with the concept of mean or average of a roll (a measure of central tendency), one aspect that often seems overlooked as designers search for a [...]