A survival anarchy and Factions 1.15.2 cracked server with both Dann's World Generator and "the normal one" for Java and Bedrock via GeyserMC.
https://www.spigotmc.org/resources/danns-world-generator-oasis-desert-demo-1-14-x-1-15-x-uses-an-organic-tree-generator.74083/
Hacked Clients are allowed, just don't affect the system performance.