Diablo 2 Hell mode sent me crying back to my mum. Demon's Souls (on normal? are there harder difficulty options?) made me want to punch a baby. And as mentioned, Ninja Gaiden was plenty hard on normal difficulty, hard mode was just ridiculous.
This doesn't really count but SC2 on "Korean" difficulty is damm nigh impossible.lol
This doesn't really count but SC2 on "Korean" difficulty is damm nigh impossible.lol