This has somewhat happened a lot. To an extent, the entire crafting genre owes itself to DF, which inspired Minecraft, and between the two of them, a genre was born...
However, as yet, no-one's come close to the epicness of the generated world and story, even if they've made progress on the core gameplay.
However, as yet, no-one's come close to the epicness of the generated world and story, even if they've made progress on the core gameplay.