Maritime Trivia (Reverse Engineered DOS Game)
Binary patching that keeps a 30-year-old DOS engine running while swapping content.

Injects trivia by patching 1993 binary blobs in-memory without shifting a single byte offset.
Retro gaming enthusiasts, demoscene hobbyists, JavaScript tinkerers
DOSBox · Internet Archive Software Collection · ExodusDOS
About 10 years ago, I reverse engineered the game's packed binary asset format to inject new general knowledge trivia questions, being careful not to shift any memory offsets pointing to sound effects or graphics, which would crash the game. On a whim, I tracked down the original author, who while they no longer had the source code, did give me permission to release an official sequel (joking that I only had to split any earnings over $100,000 with him).
The original remake used .NET and DOSBox and only ran on Windows, which really missed the spirit of the project, so I ported it to run in the browser using js-dos so anyone can play it. The core game is the same (e.g. dice, ships, trivia) but with random general knowledge questions so it's more like Trivial Pursuit meets naval Risk.
Binary patching that keeps a 30-year-old DOS engine running while swapping content.
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