| Rank | Board name and description | Posts | Members |
| 1 | EN World General roleplaying message boards | 4218890 | 69783 |
| 2 | The One Ring Tolkien and Lord of the Rings forums | 2887635 | 52916 |
| 3 | Star Destroyer Star Wars, Star Trek and Sci-Fi forums | 2639474 | 3887 |
| 4 | Portent Forums - discontinued Warhammer 40,000 message boards | 2176130 | 35056 |
| 5 | Valinor Brazilian discussion board about J.R.R. Tolkien | 1974065 | 49556 |
| 6 | 40k Online Warhammer 40k message boards | 1840366 | 29372 |
| 7 | Elbenwald forum Lords of the rings fans community (german) | 1683200 | 9545 |
| 8 | Tar Valon Wheel of Time community | 1398606 | 6120 |
| 9 | The Fantasy Forum Fantasy entertainment forums | 1172702 | 10295 |
| 10 | Brainburst Magic the gathering forum | 992164 | 80502 |
| 11 | Chronicles Network Science-Fiction and Fantasy forums | 950349 | 19873 |
| 12 | Lord of the rings plaza Lord of the rings fanatics forums | 878738 | 85727 |
| 13 | A Song of Ice and Fire Forums dedicated to the 'A Song of Ice and Fire' fantasy series by George R. R. Martin | 241618 | 4056 |
| 14 | Cool Sci-Fi Sci-Fi fan community | 16945 | 3873 |