http://gameinformer.com/games/mega_m...to-the-ds.aspx
When Mega Man Zero first hit the Game Boy Advance in 2002, it was regarded as one of the most challenging Mega Man games ever. After all these years, I can confirm these four titles are still the toughest in the franchise. While insane difficulty should satisfy the most sadomasochistic gamers, the implementation of a brand new easy mode offers respite to those who want an unhindered cake walk through the game.
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