Selling a game made with zDoom?

Discuss anything ZDoom-related that doesn't fall into one of the other categories.

Selling a game made with zDoom?

Postby BattleCat » Tue Sep 01, 2020 1:42 pm

Hey everyone.
I'm working on a game and so far I'm inclined to use zDoom. I'm not sure if I'd actually be able to sell it though. I got the impression I could sell zDoom based games as long as the source code is included, but digging through the zDoom files I see things in there using the GNU license as well. Does anybody know anything about this? I'm guessing it's probably not allowed, in which case I'll just distribute the game for free.
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Re: Selling a game made with zDoom?

Postby Gez » Tue Sep 01, 2020 2:42 pm

ZDoom cannot be used in commercial products because of a few troublesome licenses. The GNU licenses, however, are not an obstacle; the freedom to commercialize your work being one of the freedoms that the Free Software Fundation insists on.

GZDoom is compatible with commercial distribution. You should make your game a custom IWAD, and you will have to remove the files game_support.pk3 file, brightmaps.pk3 and lights.pk3 from the distribution.
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Re: Selling a game made with zDoom?

Postby BattleCat » Tue Sep 01, 2020 2:45 pm

Oh I thought the two were pretty much the same thing. Thank you so much, I was actually planning on using Gzdoom.
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Re: Selling a game made with zDoom?

Postby Sylvia Hoshford » Mon Aug 30, 2021 8:39 pm

so i was looking at this and was thinking can i sell a gzdoom GAME not just iwad but a full version of gzdoom but then i find the posts here and idk if i can now BUT keep in mind its a gzdoom version and iwad to have levels textures and stuff im only use the gzdoom engine not the textures and things just the engine... and my own textures enemy thing stuff like that SO if i fallow this then can i sell a game like this?...
Sylvia Hoshford
 

Re: Selling a game made with zDoom?

Postby wildweasel » Mon Aug 30, 2021 9:03 pm

Sylvia Hoshford wrote:so i was looking at this and was thinking can i sell a gzdoom GAME not just iwad but a full version of gzdoom but then i find the posts here and idk if i can now BUT keep in mind its a gzdoom version and iwad to have levels textures and stuff im only use the gzdoom engine not the textures and things just the engine... and my own textures enemy thing stuff like that SO if i fallow this then can i sell a game like this?...

Yes. Just delete the extra data PK3 files as mentioned above, and if you make any changes to the source to GZDoom itself, you will need to make your source available under the terms of GPL.
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