I changed the formula in the one cell (H11) to: -
="'Games'!C1:C"&MATCH("Y",'Games'!F:F,0)-1
And this formula in another Cell to: -
=COUNTIF(INDIRECT(H11,TRUE),"Europe ")
I then changed the formula to 1 cell: -
=COUNTIF(INDIRECT(("'Games'!C1:C"&MATCH("Y",'Games'!F:F,0)-1),TRUE),"Europe ")
And...