The following are all sources of rules expansions, options, clarifications, etc. You may also look to various settings for rules expansions/changes as well.
- “Advanced” DCC RPG Rules Extensions
- AL7 – The Elemental Lords Awaken
- Rules for elemental imp familiars
- Alternate Occupations
- Guess
- I Drank the Worm (Drinking Orm’s Blood Effects)
- Prayers of the Forgotten
- Prayers of the Forgotten contains supplemental cleric/god rules, encounters, maps and adventure hooks for the Dungeon Crawl Classics Roleplaying Game
- Steel and Fury
- 32 extra Mighty Deeds
- CE5 – Silent Nightfall
- Demi-Patrons
- Critters, Creatures, and Denizens
- Various Extended Rules for Monsters and Combat
- Making of the Ghost Ring
- Extended Magic Item Creation Rules
- Liber Arcanum
- Alternate magic rules as well as a lot of other content (patrons, magic items, spells, etc.)
- Tribe of Ogg & The Gift of Suss
- Rule for paleolithic characters
- The Sea Queen Escapes!
- Swimming/drowning rules
- The 998th Conclave of Wizards
- Spell Dueling
- The Dread God Al-Khazadar
- Rules on how to blave (rules for true love)