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The open-source alternative to Minecraft: Java Edition, a complete block-survival game in ~45,000 lines of Swift + Metal. Zero dependencies, fully deterministic, singleplayer for now. Not affiliated with Mojang or Microsoft. We lowkey need y'all to submit bug reports cuz there are so many ๐Ÿ˜ญ

68 starsSwift

Pebble, an open-source alternative to Minecraft: Java Edition

by briangaoยทJun 13, 2026ยท6 pointsยท2 comments

AI Analysis

โ—โ—โ—BangerWizardryBig BrainZero to One

From-scratch Minecraft clone with hand-written Metal renderer and zero-dependency audio synthesis.

Strengths
  • โ€ขZero external dependencies โ€” pure Swift + Metal with hand-written renderer
  • โ€ขAll audio synthesized from oscillators at runtime, no audio assets
  • โ€ข456 golden regression tests protecting a complete survival game loop
Weaknesses
  • โ€ขmacOS-only with no Windows or Linux support planned
  • โ€ขBeta stage with acknowledged bugs and singleplayer-only for now
Category
Target Audience

Game developers, Swift/macOS developers, Minecraft fans

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