Set world rules such as keeping inventory on death, freezing time, disabling fire spread, or crop growth speed
keepInventory — Nothing drops on death — good for testing or building worldsdoDaylightCycle — Turn off to freeze time as permanent day (or night)mobGriefing — Turn off to stop creepers blowing up your house or endermen carrying off blocksdoFireTick — Turn off to stop fire spreading and burning down buildsrandomTickSpeed — Increase to make crops grow faster (default is 3; very high values cause lag)The rule list adjusts automatically based on the edition you choose, since some rules are Java-only or Bedrock-only
The examples below come out of the same generator as the form above, so the commands and explanations always match what the tool produces. Copy one and adjust it from there
The most commonly enabled rule — items no longer drop on death, which suits a world used for testing commands
/gamerule keepInventory trueWhat it does Will enable the rule "Keep inventory on death (keepInventory)" for this world.
Turning this off freezes the clock — pair it with time set to lock the world at midday
/gamerule doDaylightCycle falseWhat it does Will disable the rule "Day-night cycle continues (doDaylightCycle)" for this world.
Some rules take a number rather than on/off — the form swaps the input for you when you pick one
/gamerule randomTickSpeed 10What it does Will set the rule "Crop growth speed (randomTickSpeed)" to 10.
This is the first example above, run through every edition and version this tool supports. Versions that produce the same result share a row
Every version this tool supports produces the same result, so a command you copy works without version-specific edits
/gamerule keepInventory true