| System (Setting) | Publications | Articles |
|---|---|---|
 Barbarians of Lemuria | 1 | 1 |
| Basic Role-Playing | 3 | 3 |
| Be Like a Crow | 1 | 1 |
| BEER | 1 | 1 |
| Beta Maxx | 5 | 0 |
| Beyond the Supernatural | 1 | 1 |
| Big Eyes Small Mouth | 1 | 1 |
| Black Books | 2 | 1 |
| Black Flag | 1 | 0 |
 Black Rose Wars | 1 | 1 |
| Bloodshadows | 5 | 5 |
| Book of the Dead | 1 | 1 |
| Bookmark RPG | 1 | 1 |
| Books and Bullets | 1 | 0 |
| Brains and Brawn | 1 | 0 |
| Breakout Day | 1 | 0 |
| Broken Compass | 2 | 2 |
| Buffy the Vampire Slayer | 2 | 1 |
| Builders of R'lyeh | 1 | 1 |
| Building an Elder God | 1 | 1 |
| Bureau 13 | 1 | 1 |
| Bureau of Investigation | 2 | 2 |