Most challenging game you have ever played

[CWegzz]

Paatar said:

CWegzz said:
Fire Emblem: Radiant Dawn on hard difficulty.

For me that's easy because I've replayed the game over 50 times so I know exactly where to move every unit in every map. I know.. sad.

I've only beaten it three times, once for each difficulty, and the last time was just brutal for me.