Maybe it is better to avoid duplication of effort and contribute to OSGL.
You just need to add a "mature" tag to it and a option to filter by it. contributing to it is easy as far as i can tell.
this post was submitted on 27 Jan 2026
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Free and Open Source Software
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Space Station 14. Outrageously fun, deep, rewarding, hilarious, insane game. I can't recommend it highly enough. The learning curve for basic controls can be a lot, but it's so worth it.
The third link has it, but not the first.
Here's my Mastodon thread on one of my favorite SS14 rounds, which I got quite a few videos of: https://packmates.org/@noxypaws/115755081201489367
Hypnagonia. A FOSS Slay The Spire-like game. I made this one ^_^
Hi! So nice to see you here!
I hope you don't mind, I would prefer to only keep finished games on this list. There already are lots of awesome curated lists which include pre-release FOSS games.
Is any FOSS game really every "finished"?
In any case, Hypnagonia is "finished" in the sense that you can play a run end-to-end. It just could use more content, but being excluded for such lists doesn't help find collaborators.
Fair enough, in that case let's add it. But if you don't mind me sharing my opinion: you say everywhere that it's a pre-release software, and the 0.x.x version supports this hypothesis. If you think it's ready to be considered a completed project (but not necessarily also finished) you might want to be more explicit about it.
While I understand where you're coming from, I think this list exists for a different purpose than to find you collaborators. While I didn't make the list, I do like having a list of competed FOSS games somewhere, as I think it fills a gap in FOSS game reporting. I think there should be (and know there are) other lists specifically for FOSS games looking for collaborators.
I'm not specifically looking for collaboration . I just point that collaboration is useful for FOSS, but it requires visibility.
CC non-commercial is not a free license. FSF lists it under documentation licenses because it doesn't recommend any CC license for software but the concerns are still valid.
Note that selling copies of free software is explicitly encouraged; free refers to freedom (specifically the "four freedoms") and not to price. Commercial usage restrictions conflict with freedom zero (although it's unclear how this applies in the case of a game) and commercial distribution restrictions conflict with freedoms two and three.
RTS: 0.A.D.
FPS: D-Day:Normandy
Thank you for this recommendation, but although the code is GPL-2.0, some of the assets for BAR are proprietary.
I didn't know that, but I also noticed after posting that on the download page they describe it as "alpha+" so that would also disqualify it from your list.
Thank you very much, I will have a thorough browse and filter the games that match my requisites. If you have any one you like in particular, feel free to share.
A suggestion - open Tyrian
https://github.com/opentyrian/opentyrian
One of the greatest shmups ever, the creator open sourced it a while ago. Still weirdly addictive too, only DOS era game I still play regularly
Holy shit. I played the shit out of this game when I was a kid. I had no idea someone ported it like this.
There's even an android port, although it's pretty hard to do the ship twiddles on touchscreen lol
Hi! Although the engine is free, the game assets seem to be proprietary. Still thanks for sharing the suggestion.
I have this other bookmarked link that may be helpful:
https://osgameclones.com/
Thanks a lot. This seems to be a very complete list, I will have a look and see which ones match my criteria. If you have any one you like in particular, feel free to share.
I have this list bookmarked. Maybe it can help:
https://github.com/bobeff/open-source-games#business-and-tycoon-games
Thank you a lot, this also seems to be a great list. And it comes with list of lists as well! I will have a deep look and see which games match my criteria.
Glad to be helpful ^ - ^
I'm so glad to hear someone liked Strife enough to do a port of it. I did not do well trying to play that thing as a dumb kid, but I was entranced by the tone and scope of it. Probably had something to do with my ttrpg writing habits.
Strife was great. Soft locking your game because you made the wrong choice or attacked the wrong guy was really special to me. Good memories.
It's such a great lesson to teach a kid, that you can irrevocably ruin your own life. It's always an option!
I see kids these days and I feel like some of them don't know, they've got quicksave eyes sometimes.