| Settings | |||||
|---|---|---|---|---|---|
| Name | Owner | Posts | Characters | ||
| Underland | Anya | 0 | 2 | ||
| Undertale | AndaisQ | 1 | 5 | ||
| Under the Table | Pirates | 1 | 5 | ||
| Underworld | Anya | 0 | 1 | ||
| Unity | atheistcanuck | 0 | 1 | ||
| Universal | Starscape | 0 | 1 | ||
| Universal Consciousness | Aabcehmu | 0 | 1 | ||
| Unknowable | Kappa | 0 | 0 | ||
| unnamed D/s regency | westwind | 0 | 1 | ||
| Unnatural Disasters | Sage/Nemesis | 0 | 7 | ||
| Unown | red | 2 | 6 | ||
| Unquiet | ChaosMagic | 2 | 8 | ||
| unsong | QTesseract | 1 | 0 | ||
| Unspeakable | red | 1 | 1 | ||
| untitled goose game | ChaosMagic | 1 | 1 | ||
| Uplink | Ajzira | 0 | 2 | ||
| Uprising | Kappa | 0 | 2 | ||
| Urban Unease | Curious Discoverer | 0 | 3 | ||
| Utena | ointment | 1 | 14 | ||
| Utsushiyo | ray | 0 | 10 | ||
| Vaigyan-Lok | TheodermalTitan | 0 | 1 | ||
| valdemar | Swimmer963 | 25 | 58 | ||
| Valentine | red | 2 | 5 | ||
| valkyrie core | Rockeye | 0 | 1 | ||
| Vallenlund | JiSK | 0 | 1 | ||