Try this:
Code:for(int i=3; i>0; i--;) { do { system("CLS"); cout<<"\n\n\t[[ Scissors, Paper, Stone 2002 ]] - [ Coded by mvb ]"; cout<<"\n\n\t[ N E W G A M E ]"; cout<<"\n\n\tPOINTS DETAILS:"; cout<<"\n\n\tPoints for a win [ between 1 and 100 ]..."; cout<<"\n\n\t\t>> "; cin>>pointwin; if (cin.fail()) { cin.clear(); cin.ignore(); i++; //so it "reasks" } } while (pointwin < 1 || pointwin > 100 ); }