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Minecraft, But a Random Effect Happens Every 30 Seconds (Chaos)
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Minecraft, But a Random Effect Happens Every 30 Seconds (Chaos)

Java data pack listed for Minecraft 1.21. File opened and checked on 2 Oct 2026; downloads from the MC Java Mods app on Android.

by uiinpui · on Modrinth

⬇ Download on Modrinth

Description

This datapack contains 50+ different effects that can happen every 30 seconds. This makes for a (hopefully) fun and chaotic challenge. Effects can range from getting given an item, spawning a creeper to being trapped in a cage with lava falling on top of you or falling into a hole straight to the void. I tried to make sure that every effect is escapable with very minimal/common items, so that you don't unfairly die too often.

How To Play:

  1. Install the datapack
  2. Run the command /function uiinpui:chaos/start_chaos (Remember that you need operator status to run /function commands)
  3. If you want to stop, you can run the command /function uiinpui:chaos/stop_chaos
Extra options: As an operator, you get to pick how many seconds the interval between effects is, the default is 30 (hence the title), but there are pre-made functions that allow you to set it to 10, 15, 20, 30 or 60 seconds. You also have the option of setting it to 1 second, but I don't recommend that. Alternatively you can directly change the amount of time between each effect by changing the 2 values in the commands below. Remember that both should be equal (for the bossbar timer to look right) and that the time is in ticks.
/function uiinpui:chaos/10_seconds (example of x seconds functions)

/scoreboard players set .random timer 600
/bossbar set uiinpui:chaos_timer max 600

It is best to change this before starting, but in theory you can do it after.

Important Notes:

The datapack should also fully work in multiplayer. Some effects, like spawning a wither, will only go to one random person (because otherwise you'd get too many withers).

Quick facts

Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.

File checked by MCModsHub

These come from our own check of the pack file, not from the source page.

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