Looking at the #UnlimitedDungeons variant rules, it feels similar to the excellent #AncestryAndCulture framework for #5E, which could probably be adapted to #DCC. https://www.drivethrurpg.com/product/314622/Ancestry--Culture-An-Alternative-to-Race-in-5e
Ancestry & Culture: An Alternative to Race in 5e - Arcanist Press | DriveThruRPG.com

Ancestry & Culture: An Alternative to Race in 5e - Character creation rules for 5e that replace race with ancestry, culture, and mixed heritage, for awesome new PCs Two Ti

Another commenter helpfully pointed out that there are published “hacks,” or variant rules for #DungeonWorld that address this problem—see #UnlimitedDungeons https://drive.google.com/drive/folders/1L5E7LSqEmo5mA5LX2g4pfmjC_4vYKpyn . Perhaps there’s something similar for #DungeonCrawlClassics.
English – Google Drive

I've been doing some PDF hacking to create some simplified #UnlimitedDungeons (#DungeonWorld) #TTRPG playbooks in Affinity Publisher. Pleased to say that it's working out quite nicely, though I've made more work for myself than originally intended.