Each chunk is replaced only once with a random block, in a safe and optimized way. No shifting, no broken structures, compatible with Paper 1.21.11.

📖 Full Description (CurseForge)

ChunkReroll is a Paper plugin that completely transforms Minecraft exploration:
👉 Each chunk is replaced only once with a single type of block, chosen randomly, while preserving important structures and server stability.

✨ Main Features

🔹 1 unique block per chunk

🔹 A chunk can only be modified once

🔹 Progressive generation (optimized, no freezing)

🔹 Paper compatible with 1.21.11

🔹 No farming possible, no infinite rerolls

🔒 Server Security & Stability

ChunkReroll is designed to never break the world:

✅ Existing chests are never replaced

✅ Breeders are preserved

✅ The End portal (blocks and frames) is protected

✅ Decorated vases are protected

❌ No chests, trapped chests, shulkers, barrels, or hoppers can spawn

❌ No redstone, no ticking blocks, no falling blocks

❌ No lag, no item rain, no chunk corruption

🌊 Blocks Allowed

Only solid and stable blocks

Water and lava allowed (configurable)

⚙️Simple configuration

enabled: true reroll_once_per_chunk: true replace_air: false y_min: -64 y_max: 319 blocks_per_tick: 2500 never_replace: - BEDROCK - END_PORTAL - END_PORTAL_FRAME allow_liquids: - WATER - LAVA
🎮Perfect for

Custom survival servers

Exploration challenges

Original SMPs

Controlled mayhem experiments

Servers that want zero lag and zero bugs