Geoff Gillan

Geoff Gillan
Connection to the Mythos	Games designer Author
Genre	Roleplaying games Lovecraftian fiction

🐙 Geoff Gillan is games designer and occasional author best known for his work on the classic Call of Cthulhu roleplaying game campaign supplement Horror on the Orient Express. He has written extensively for the Call of Cthulhu system in the years before and since, and was the co-creator of the Convicts & Cthulhu sub-setting for the game. He has also contributed to a number of Cthulhu Reborn's Cthulhu Eternal system. His short fiction has appeared in Chaosium's tie-in anthology Madness on the Orient Express.

Gillan is also the founder of Mutant Brainchild, a small press publisher specialising in genre fiction, which he runs with help from his wife, Cathie, and daughters Lucille and Abigail.

Selected Bibliography

Short Fiction

• "The Lost Station Horror" (2014)

Gaming Supplements

Call of Cthulhu

• Blood Brothers (1990; contributor)
• Horror on the Orient Express (1991; contributor)
• Tales of the Miskatonic Valley (1991; contributor)
• Blood Brothers 2 (1992; contributor)
• Fearful Passages (1992; contributor)

Cthulhu Eternal

• Cthulhu Eternal SRD: Cold War Era (2022; contributor)
• Cthulhu Eternal SRD: Age of Sail (2024; production staff)
• Cthulhu Eternal SRD: Classical Era (2024; contributor)

External Links

• Mutant Brainchild website, small press publisher
• Geoff Gillan at the Internet Speculative Fiction Database
• Geoff Gillan at Goodreads
• Geoff Gillan at RPGGeek