| Tags | |||||
|---|---|---|---|---|---|
| Name | Type | Posts | Characters | ||
| Odyssey | Setting | 0 | 1 | ||
| Oerth | Setting | 2 | 5 | ||
| Ohtori Academy | Setting | 0 | 1 | ||
| Olam | Setting | 1 | 2 | ||
| Olan | Setting | 0 | 2 | ||
| Old Kingdom | Setting | 0 | 6 | ||
| Oldoria | Setting | 1 | 4 | ||
| Old Republic | Setting | 16 | 19 | ||
| Olympus | Setting | 0 | 11 | ||
| omega-C | Setting | 1 | 5 | ||
| Omegaverse | Setting | 0 | 1 | ||
| Ommatidium | Setting | 0 | 2 | ||
| Omniscience | Setting | 1 | 5 | ||
| One Piece | Setting | 0 | 1 | ||
| Optophobia | Setting | 0 | 3 | ||
| Orchid War Reborn | Setting | 0 | 0 | ||
| Original | Setting | 0 | 0 | ||
| Original Setting | Setting | 1 | 1 | ||
| Ormulum | Setting | 3 | 2 | ||
| orphan black | Setting | 0 | 1 | ||
| Orrery of Worlds | Setting | 0 | 0 | ||
| osirion | Setting | 4 | 6 | ||
| Ossis | Setting | 0 | 2 | ||
| OTC | Setting | 8 | 12 | ||
| Otherways | Setting | 0 | 15 | ||