Sokoban Clone

Hello,



May be it isn't the place to put this topic, but , can I make a Sokoban clone and sell it without breach any copyrigth law?

I planning to make a Sokoban-style game, but I don't know if I can do this, legaly.





Please help

Thanks



I didn't find the right solution from the Internet





References:

www.garagegames.com/community

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