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Open source DOS games

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Reply 141 of 145, by MrFlibble

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4xtx wrote on 2025-04-19, 11:50:
I put out another little game - 99Things. A find-a-thing puzzler for 8088/256KB RAM/CGA with mouse, adlib support written in Qu […]
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I put out another little game - 99Things.
A find-a-thing puzzler for 8088/256KB RAM/CGA with mouse, adlib support written in Quickbasic 4.5
Https://4am.org/99
Source code on github https://github.com/techdistractions/99

It looks lovely, thanks for sharing!

DOS Games Archive | Free open source games | RGB Classic Games

Reply 142 of 145, by MrFlibble

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Here's my current list of open source DOS games (including those with reconstructed/reverse-engineered code), in spreadsheet format. There are about 260 entries currently.

It looks like some DOS adventure games' source code is only available as part of ScummVM now. Not sure if this is a good thing or not.

DOS Games Archive | Free open source games | RGB Classic Games

Reply 144 of 145, by MrFlibble

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Gates of Skeldal / Brány Skeldalu recently got a Steam re-release, with native Windows and Linux versions plus an English translation (the game was originally in Czech only), and now the source code is also re-released under the MIT license:
https://github.com/ondra-novak/gates_of_skeldal

I tried to ask Jindřich Rohlík (I believe it is him who did the re-release of the game) via the Steam discussion board whether the original freeware DOS release of the game was still legit, but so far I got no reply, leaving this matter unclarified.

DOS Games Archive | Free open source games | RGB Classic Games

Reply 145 of 145, by MrFlibble

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Don't know where to put this yet, but 'Ghini Run is one of those weird QuickBASIC games that uses DS4QB++ for sound and music output, which essentially redirected those to Windows sound APIs (assuming that the game was run in Windows and not in pure DOS). Naturally, this does not work in DOSBox at all, forcing to play without sound and/or music.

However, I was hoping that someone maybe came up with a solution for this problem, and just now I found this, but it's not based on DOSBox. They have a gallery of sample games, including 'Ghini Run, which works perfectly and much faster than in JS-DOS.

I certainly do not have the skills to do it, but perhaps someone would be interested enough to either re-implement this for DOSBox or maybe at least make a non-browser implementation using the same emulator as this project's author.

DOS Games Archive | Free open source games | RGB Classic Games