It may be fair use, if you do not distribute the game. Once you distribute it, all bets are off, and fair use would almost certainly not apply. Many media com

It may be fair use, if you do not distribute the game. Once you distribute it, all bets are off, and fair use would almost certainly not apply. Many media companies have staff lawyers to police their IP, so it does not usually cost them any (additional) money to send out copyright notices.