PUNKCRAFT is a crossplay network with a few different ways to play, including a solid Survival setup and the harder Chunklock mode. On the Survival side, you get a huge custom overworld and nether, Keep Inventory, easy land claiming, a server shop and economy, custom items and tools, Safari Nets for moving mobs around, virtual spawners for passive income and XP, plus MCMMO-style progression and a big set of enchants to work through.
Chunklock is where things get rougher. It's an infinite world that only opens up as you unlock more of it, and you only get 3 lives before a temporary ban kicks in unless you can revive someone or yourself. There's a short grace period at the start, but after that death matters a lot, skills reset on death, monsters scale up with you, and bloodmoons can make things even messier by boosting mob spawns and blocking sleep.
It keeps some old school combat too, so you can spam attack and block with your sword again like 1.8. Extra lives can be earned through playtime or crafted and traded with rare materials, and loot containers are instanced so you do not have to stress about everything being taken already. If you want to hop between the different servers, use /server in game.