>>12003216 (OP)
RE4, Godhand, FF8, PE2 (game has harder battles later on depending on whay you do), MGS3 Sorrow sequnce (harder depending on how many things you killed), Max Payne (lowers aim assist and other settings if you are doing well), Star Fox and other games that unlock harder areas if you complete certain challenges, Tony Hawk and Dave Mirra competitions where competitors score higher if you do, BMXXX was really broken in that they would score 99.8 and shit, that pissed me off hard, Tetris had adaptive difficulty, Resident Evil 1 would have more difficult situations depending on what you do, like being saved or having to fight the Snake boss twice, Zanac had 'AI' that adapted difficulty in the 80's, some games throw you an extra item or something if you are doing bad, MGS1 had moments where they would call you on the Codec to give you a hint if you died too much or got stuck, and you get rescued if you can't escape the prison.