| Settings | |||||
|---|---|---|---|---|---|
| Name | Owner | Posts | Characters | ||
| Mori's Buffyverse | Lotus | 0 | 7 | ||
| morning glory | root | 0 | 4 | ||
| morphosis | TheSparrowYears | 0 | 0 | ||
| Mortis | Anya | 2 | 8 | ||
| Mother of Learning | Ezra | 1 | 1 | ||
| Mother-of-Pearl | nextworldover | 0 | 1 | ||
| MTU | Rockeye | 0 | 1 | ||
| Mugunghwa | Rockeye | 0 | 2 | ||
| Mulan | Anya | 0 | 0 | ||
| Multifaceted | Genarment | 1 | 1 | ||
| Multiverse | Genarment | 0 | 1 | ||
| Murlocia | Murloc | 1 | 1 | ||
| Murune | st753m | 5 | 26 | ||
| Muse | Alicorn | 1 | 1 | ||
| MWF | Lotus | 1 | 2 | ||
| My Hero Academia | Sage/Nemesis | 0 | 6 | ||
| my immmortal | alexander | 0 | 1 | ||
| Myria | JiSK | 1 | 3 | ||
| Myriad | Tabs | 1 | 6 | ||
| Myriad Shores | Curious Discoverer | 2 | 8 | ||
| Myriad Worlds | Archon | 0 | 2 | ||
| Myrka | teceler | 0 | 6 | ||
| Myst | Sonata | 0 | 3 | ||
| Mysterious | Kappa | 3 | 7 | ||
| Mysterious Shop | Rockeye | 1 | 0 | ||