Cthulhu Mythos Bestiary Resources
This page links to comprehensive resources for Cthulhu Mythos creatures. Whether you need full game statistics, lore and history, or just inspiration, these resources cover the vast array of horrors from the Mythos.
📚 Official Chaosium Resources
Malleus Monstrorum
The definitive bestiary for Call of Cthulhu 7th Edition. Two-volume set with over 250 entries covering Mythos monsters, Great Old Ones, Outer Gods, and more.
- ✓ Complete game statistics
- ✓ Detailed lore and history
- ✓ Beautiful illustrations
- ✓ Official Chaosium publication
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Malleus Monstrorum PDF
Digital version of the Malleus Monstrorum. Same comprehensive content, instant access.
- ✓ Searchable PDF format
- ✓ 110+ Great Old Ones & gods
- ✓ 150+ monsters & alien species
- ✓ Bookmarks and hyperlinks
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🌐 Free Online Bestiaries
Call of Cthulhu Wiki
Free comprehensive wiki covering Mythos creatures. Organized by categories with detailed entries.
- ✓ Mythos Monsters section
- ✓ Great Old Ones & Outer Gods
- ✓ Traditional horrors & beasts
- ✓ Free to access
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Roll20 Compendium
Online compendium with searchable Call of Cthulhu creature stats, including Mythos monsters.
- ✓ Searchable database
- ✓ Game statistics included
- ✓ Quick reference format
- ✓ Virtual tabletop integration
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⚡ Quick Reference
For a brief overview of common Mythos creatures with quick stats and descriptions, check our internal reference:
Mythos Creature Quick Reference
Internal quick reference guide with common creatures organized by threat level, including typical sanity loss values and brief descriptions. Perfect for at-the-table use.
📖 Classic Field Guide
S. Petersen's Field Guide to Cthulhu Monsters
Classic 1988 sourcebook featuring 27 Mythos creatures, each with full-page full-color illustration and clues to help recognize them. A beautiful reference work for collectors and players alike.
Learn More ↗💡 Using Bestiary Resources
For Keepers/GMs
- Use bestiaries for stat blocks and abilities
- Read lore sections for inspiration
- Adapt creatures to fit your scenario
- Don't reveal everything - keep mystery
- Focus on atmosphere over statistics
- Remember: horror > combat
Resource Selection
- Need full stats? Malleus Monstrorum
- Quick lookup? Our quick reference page
- Free option? Call of Cthulhu Wiki
- Online play? Roll20 Compendium
- Inspiration? Browse multiple sources