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Blocks of planents and stars

by MisterCosmos

Blocks of planents and stars is a NeoForge game mechanics mod that adds three cosmic blocks, each with its own effect on nearby objects and the landscape.

NeoForgeClient and serverMIT License1.21.1 – 1.21.4

What it does

Three blocks themed on planets and celestial bodies join the game, and each one triggers a distinct effect. The Sun block sets objects on fire, the Betelgeuse block sets objects on fire for 60 seconds, and the Moon block changes the surrounding landscape. Custom sound events play when these blocks are used, adding to the atmosphere of a build or a map.

The mod is built on NeoForge and integrates with game logic through mixins, so its behavior hooks into existing systems rather than replacing them. Its effects are described by the author as balanced, with clear and noticeable results. Clients and servers both need the mod, since it runs on client and server together.

Files are published for NeoForge only, for 1.21.1 and 1.21.4, with 1.0.0 for 1.21.4 as the latest build. The code is released under the MIT License and is not open source.

Key features

  1. Sun block

    Objects touching the Sun block are set on fire, giving a bright, hazardous feature for builds.

  2. Betelgeuse block

    The Betelgeuse block sets objects on fire for 60 seconds, a longer effect than the Sun block provides.

  3. Moon block

    Placing the Moon block changes the landscape around it, reshaping terrain in its area.

  4. Sound events

    The blocks come with custom sound events that play as part of their behavior.

Compatibility

Latest build for each game version and loader.

1.21.41.0.0
1.21.11.0.0
ReleaseBetaAlphaNot available

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

Questions

Does Blocks of planents and stars need other mods?

No required dependency is listed for NeoForge. The mod is published for NeoForge and runs on client and server.

Do both the server and players need the mod?

Yes. Servers that run it need every player to install it too.

Which game versions have files?

Files exist for 1.21.1 and 1.21.4, and the latest NeoForge build is 1.0.0 for 1.21.4.

In the catalog

Blocks of planents and stars is one of 29,952 Game mechanics mods on ModsFinder, and one of 12,140 Game mechanics mods for NeoForge. 17,979 mods support Minecraft 1.21.4.

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What the author says

Bring celestial power to your Minecraft world with three unique cosmic blocks—each with dramatic effects and custom immersion features.
MisterCosmos, on the Modrinth page

Official listing

Owner
MisterCosmos
Published
2026-09-05
Updated on Modrinth
2026-10-06
Facts verified
2026-10-15

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