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I would like to know if the following situation would be legal.

Let's say I take some pictures on wikipedia, that are licensed under CC-BY-SA license. Then I would like to photoshop them, and use it as art in a (perhaps commercial) game.

According to the Creative Commons licence, it is legal to use the content "for any purpose, even commercially". So I was thinking about creating a web page where I would attribute each picture to the original creator, and publish the photoshoped picture under the same license (even if it would be almost useless for anyone).

Would it be legal? Or would I need to publish the entire game under creative commons license?

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http://creativecommons.org/licenses/by-sa/4.0/ according to this website you can use it commercially but it needs to have same license, see the sharealike. i don't know about game but website will be i think totally legal, if you of course upload edited image with cc license

but please ask someone else too. I'm not expert in licenses

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  • \$\begingroup\$ Thanks! The share-alike condition is confusing, would it apply to the modified pictures (which I have no objections to share), or to the game itself (which I would like to sell on smartphones, or get ads revenue) ? \$\endgroup\$ – Benoit_Plante Jan 19 '15 at 21:01
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    \$\begingroup\$ Games and images with licenses is really pain in the bum. I really recommend to tell your friend to make art for you if you aren't good designer. Im making most of my art myself because its just the pixel art. Try searching for opengameart. Its a great website for game art and has lots of things \$\endgroup\$ – Brsgamer Jan 19 '15 at 21:05
  • \$\begingroup\$ Yeah, my game is still at conceptual stage, so this discussion is still theoretical. I plan to make most of my art myself, but as many levels would be in another country, my plan was to include some visual elements of that country. This is why I thought about photoshopping some pictures... \$\endgroup\$ – Benoit_Plante Jan 19 '15 at 21:12
  • \$\begingroup\$ This is an example of what I mean. Let's say the level is in New York, and then I make a 2d sprite of the Statue of Liberty mostly based on a picture I find on wikipedia. I do not have the capability of going there and take a picture myself. \$\endgroup\$ – Benoit_Plante Jan 19 '15 at 21:25
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    \$\begingroup\$ If it's a cartoonish game you can always draw it yourself and thete will be no restrictions \$\endgroup\$ – Brsgamer Jan 19 '15 at 21:35
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Anything derived from using a CC-BY-SA licensed work should be distributed under the same license. This includes the edited image and the work it is used in. Since you are mixing it with other things (other images, music, code) to create a new work (a game), the new work should carry the same license.

In short, if you use a CC-BY-SA licensed image to make a video game, the game can be commercial but it should also carry the same license, which means its source and other materials should also be available for others to use under the same terms.

Since video games include many different materials, licensing everything in it CC-BY-SA can be complicated. For example you may not have the rights to redistribute the music. It is better to use custom made, CC-BY, or public domain works when making video games.

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