I reverse-engineered the world maps of Test Drive III (1990 DOS game)
In plain words
This project presents reverse-engineered world maps from Test Drive III, the 1990 DOS racing game. The creator has reconstructed the game's map data and made it available on GitHub. The work documents the technical structure of the original game's environments, making it useful for retro gaming enthusiasts, game preservation efforts, and developers interested in how early 1990s racing games stored and rendered their track layouts.
written from the facts on this page · September 2026
Does the same job
all alternatives →- MJMap33.js – a library to build 3D maps with Three.js2020 · map33.openbloc.com · ▲178


- OROpenRA – RTS project that recreates Command and Conquer games2014 · openra.res0l.net · ▲131
- IMI made a tactical map-based WWII submarine simulator (public beta)May 2026 · silentshark.app · ▲125
I've seen quite a few simming discussions on HN, so thought some of you might like this - I've created a map-centered, tactical submarine simulator and it's been a blast to make. I grew up playing Silent Service II on Atari ST with my dad, then got into Silent Hunter IV in the 2000s, and most recently have been loving the more recent UBoat. In each case, the part I always enjoy the most is the plotting and charting aspect - essentially beating uncertain estimates with geometry. So I decided to see how far I could get making my own sim that focused nearly entirely on that aspect. You listen…

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Launched alongside, May 2026
the whole month →

Parallel agents, diff reviewer, and multi-model comparisons
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- NW
Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
Life & fun · May 2026 · github.com
- FM
Dev tools · May 2026 · github.com