| Bundle name | URL | Date | Monthly | Indexed |
| Humble RPG Bundle: Call of Cthulhu by Chaosium, Inc. | URL | 2024-01-06 | False | True |
| Humble RPG Bundle: Call of Cthulhu by Chaosium, Inc. ENCORE | URL | 2024-10-12 | False | True |
| Humble RPG Bundle: So You Wanna Try Out Call of Cthulhu by Chaosium | URL | 2026-01-14 | False | True |