I found a hardcore server that is set up like a big social experiment. It runs on Java 1.21.1 and it also supports Bedrock so more people can play.
The world is split into two islands and they are totally different. One is a winter wasteland with rare minerals and resources but it is brutal. The other is a summer island with fertile land and easy living but it can get crazy overpopulated.
You only get one life so every fight and deal matters. Simple Voice Chat is required for all interactions so you have to actually talk to people.
The event is played in weekend sessions so everyone shows up at the same time. They already have over 130 accepted applications and they are still taking more players right now.
