Los locos años 20, época habitual de los juegos de rol lovecraftianos.
| ▲Título▼ | ▲C▼ | ▲Año▽ | Autor | ▲V▼ | ▲Rel.▼ |
|---|---|---|---|---|---|
| Devil's Canyon |    | 1982 | John Carnahan | — | Media |
| The Coven of Cannich | | 1982 | John Scott Clegg | — | Media |
| Sourcebook for the 1920s |  | 1981 | Yurek Chodak, Tadashi Ehara, Harry Henderson, Steve Perrin, Sandy Petersen, Greg Stafford, Lynn Willis | — | Media |
| Sanity |  | 1981 | Sandy Petersen | — | Media |
| The Madman | | 1981 | Sandy Petersen | 6.33 | Media |
| Libraries and Their Use | | 1981 | Sandy Petersen | — | Media |
| How to Play the Game |  | 1981 | Sandy Petersen | — | Media |
| The Haunting (aka The Haunted House) | | 1981 | Sandy Petersen | 7.33 | Media |
| The Brockford House | | 1981 | Marc Hutchison | 8.00 | Media |
A Beginning Scenario for a Campaign  | | 1981 | Lynn Willis | — | Media |
| Arkham City Map |  | 1981 | Lynn Willis | — | Media |
| 1920s Character Sheet |  | 1981 | Sandy Petersen | — | Media |
| Wentworth's Day |    | 1957 | August Derleth, H. P. Lovecraft | 4.00 | Media |
| Period Data for Australia |  | 1921 | — | Media |
