Your comment sparked my curiosity. Java Random[0] which is used for terraine generation uses only 48 out of the 64 bits of the seed, so there are 2^16 seeds for

Your comment sparked my curiosity. Java Random[0] which is used for terraine generation uses only 48 out of the 64 bits of the seed, so there are 2^16 seeds for each possible world.[1] Apparently only the land/ocean biome generation stage utilises the full seed. [0] https://docs.oracle.com/javase/7/docs/api/java/util/Random.html https://docs.oracle.com/javase/7/docs/api/java/util/Random.h... [1] https://www.minecraftforum.net/forums/minecraft-java-edition/seeds/2229720-can-two-different-seeds-produce-identical-worlds https://www.minecraftforum.net/forums/minecraft-java-edition...