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Is a round Minecraft world possible?

Jeija · demo · Watch on YouTube

Game programming & enginesIndie game developmentComputer graphics & rendering

What it is

Jeija demonstrates a modified Minetest game with a spherical planet, using a grid transform to make a voxel world round. It includes the orbit math and download links for the spheretest build.

Why Hacker News recommends it

Pointed to in Minetest and spherical-voxel-world threads as a striking example of what the open-source engine can do.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2016, last 2025

What HN commenters said

  1. “People have made some VERY COOL stuff using MineTest.”

    Spherical world built in Minetest

    dcposch, 2016-10 · Recommendation · in “Minetest – A free, open-source voxel game engine and game”

  2. “This reminded me of another attempt, but in Minetest”

    Attempt at a spherical voxel world in Minetest

    gatane, 2025-09 · Recommendation · in “Making Minecraft Spherical”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: minetest, minecraft, spherical planet, voxel engine, modding

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