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UPDATED - YoYoGames Marketplace EULA now allows Creative Commons licensing - csanyk.com
Update: It turns out that it has always been possible to link a Marketplace asset to another EULA; I had never noticed this before! YoYoGames apparently has added Creative Commons licensing to their standard EULA for purchases made through their Marketplace with the Creative Commons Attribution-ShareAlike 2.0 Generic license. The old GameMaker Marketplace EULA is …