Show HN: Continuum Game (68k Mac) Ported to JavaScript

4 sam256 0 9/18/2025, 5:51:31 PM continuumjs.com ↗

This was an interesting porting project for a few reasons (IMO):

- The original game is/was awesome and, from a programming perspective, a wonder -- smooth scrolling arcade game on a 128kb Mac in 1984...

- The port was done with a lot of help from AI (mostly Claude Code, but some Gemini CLI as well). I'm a programmer; it wasn't vibe-coded. But I couldn't have done the port of 68k assembly without it. FWIW, Claude seemed better at actually porting the 68k assembly but Gemini was better at finding bugs. YMMV.

- I love Redux and Redux Toolkit for state management. For the port, I put the entire game state in Redux, including all the physics, movement, etc. Every thing that happens in the game is a little redux action. You can watch the whole game get played in the RTK debugger. For some reason that makes me happy.

I've released all my code as MIT. Would love to make a "modern" version some day, but for now I've just tried to be faithful to the original.

There are a few bugs, noted as issues in the github repo. Feel free to add more.

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Show HN: Continuum Game (68k Mac) Ported to JavaScript

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