Complex sentence: One such example is WWF No Mercy; if you were playing a game with a created wrestler and instead the generic created wrestler would come out followed by the game freezing with the screech and upon restarting the game, players would find their saves wiped clean.
Split into simpler sentences: One such example is WWF No Mercy; players who played the game with a created wrestler would have the generic created wrestler would come out instead, followed by the game freezing with a screeching sound. Upon restarting the game, players would find their saves wiped clean.