spawner_blocks_work
booleanJava 26.2 onlyControls whether monster spawner blocks produce mobs. When false, all spawners in the world are silenced — they still display their spinning entity model but no mobs emerge.
Enable spawner_blocks_work
Spawner blocks produce mobs when a player is within 16 blocks.
Java
/gamerule spawner_blocks_work trueDisable spawner_blocks_work
All spawner blocks are inactive — no mobs are produced from any spawner.
Java
/gamerule spawner_blocks_work falseDefault: true. Restore with /gamerule spawner_blocks_work true
What spawner_blocks_work does
Controls whether monster spawner blocks produce mobs. When false, all spawners in the world are silenced — they still display their spinning entity model but no mobs emerge.
spawner_blocks_work is a Java Edition-only gamerule and is not available in Bedrock.