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Immersive RNG

by Sergiosha

Immersive RNG is a NeoForge server mod that turns resource use into random item rolls, with drop tables that can include rare treasures or deadly hazards.

NeoForgeServer required, client optionalAll rights reserved1.21.1

What it does

Players consume resources to trigger a roll, and the result can be anything from a common drop such as Rotten Flesh to one of the rare treasures in the table, with odds ranging from 1 in 4 up to 1 in 512. Some rolls are hazardous, and the mod warns that bad drops are part of the design, so the outcome is not always safe. Pressing R tests luck without spending a full roll, which lets players check the table before committing resources.

Drop probabilities are listed so that players can see the odds on each tier, and the mod also includes events such as a golden rain and the Totem of Undying and Warden spawn outcomes. Immersive RNG is a server required mod, and clients can add it for the R key and displays while the server does the rolls. The files are published for NeoForge 1.21.1 only, with version 1.0.0 released on 2026-08-24, and the mod is licensed under All rights reserved, so it is not open source.

Key features

  1. Resource-triggered rolls

    Consuming resources starts a random roll that can return common drops or rare treasures.

  2. Luck test with R

    Pressing R tests luck, letting players check the outcome odds before using resources.

  3. Published drop probabilities

    Drop odds are shown for each tier, from 1 in 4 up to 1 in 512, so the chances are visible.

  4. Hazardous outcomes

    Some rolls produce deadly hazards or bad drops, and the mod warns players to be careful.

Compatibility

Latest build for each game version and loader.

1.21.11.0.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Questions

Does Immersive RNG need to be installed on the server?

Yes. The server is required and the client is optional, so the server does the rolls while players can add the mod for the R key.

Which game version does Immersive RNG support?

Files are published for 1.21.1 only, on NeoForge. The latest file is 1.0.0 for 1.21.1, released on 2026-08-24.

Can the rolls be dangerous?

Yes. The author warns about deadly hazards and bad drops, so the outcome of a roll is not always safe.

More from Sergiosha

All projects
Frostium1.21.1

What the author says

Click R to test your luck! Consume some resources to get rare items ranging from 1 in 4 common drops up to 1 in 512 rare treasures. but be carefull because there also bad drops! Drop Probabilities: - 1 in 4 - Carrot - 1 in 4 - Rotten Flesh - 1 in 12 - Coal - 1 in 16 - Iron - 1 in 48 - Explosion - 1 in 64 - Diamond …
Sergiosha, on the Modrinth page

Official listing

Owner
Sergiosha
Published
2026-08-24
Updated on Modrinth
2026-08-24
Facts verified
2026-10-15
Open on ModrinthCompare