⚠️ This scenario is currently available for free download as part of a limited-time promotional campaign. If you're interested in Call of Cthulhu TRPG or trying it for the first time, don't miss this opportunity! 📅 Campaign period: Until Sunday, August 17th 📌 A Night of Carcosa: A Murder Mystery — A Masquerade Where Reality’s Veil Grows Thin Your sanity will be tested to its limits, in a whirlwind of paranoia and occult intrigue. 🎲 Scenario Information 📘 System: Call of Cthulhu (6th Edition) 👥 Number of Players: 7 fixed characters + 1 Keeper ⏱ Playtime: 4–6 hours (up to 8 hours with extended roleplay) 🎭 Keywords: Nyarlathotep / Masquerade / Murder / Carcosa / Yellow Sign 🎚 Difficulty: Recommended for experienced players (intermediate to advanced level) ✨ Features 🎭 Masquerade Atmosphere: A lavish ball in the Obsidian Villa with political games and hidden motives 🔍 Intense Investigation: Seven fixed characters, each with distinct social roles and objectives 🌀 Occult Intrigue: Subtle hints of the Yellow Sign, strange artifacts, and unsettling events 🪞 Central Mystery: A mirror as the key to the truth 🧠 Test of Sanity: Psychological tension, moral dilemmas, and gradual erosion of reason 📖 Summary In the luxurious Obsidian Villa, standing above the Mediterranean Sea, a glittering masquerade hosted by the mysterious Lord Carcosa is underway. The glamour and music are abruptly overshadowed when a prominent guest is found dead under strange circumstances. The investigation uncovers a web of lies, betrayal, and occult intrigue, as the veil between worlds grows dangerously thin. 🎯 Recommended For Fans of detective plots with a mystical edge Players who enjoy tense, roleplay-heavy sessions Keepers seeking a multilayered scenario with multiple endings ⚠️ Notes Before Play This scenario is provided in two versions: Keeper’s Scenario (KP) — Full version with complete plot, branches, and key scenes Player’s Scenario (PL) — Spoiler-free version with introduction and character roles only Not recommended for groups entirely new to roleplay Contains elements of paranoia, madness, and occult events 📦 Contents (PDF) 📄 Full Scenario Text (Keeper’s Version) Introduction and all scenario phases SAN effects and key scene descriptions Detailed NPC backgrounds and motivations Villa map and item locations Branching chart of endings 📄 Player Booklet (Player’s Version) Spoiler-free scenario introduction Seven character sheets (Masks of Society only) ⚖️ Terms of Use Redistribution, copying, and modification are prohibited Online sessions and recordings are permitted with credit: Author — Furuya Nemu（降谷 合歓） Unofficial fan scenario based on Call of Cthulhu (6th Edition)