Great game. Controls were a little awkward for me (using the mouse and both sides of the keyboard at the same time requires a number of hands I do not possess), and I slightly resent Ch. 1 for failing to give me my badges, but the controls didn't interfere with my battling and the MARDEK series is just too awesome to hold a grudge for long, so no harm done.
Loved the battle system. Reminded me a lot of a cross between Pokemon (DON'T GO INTO THE TALL GRASS!11!!!) and Final Fantasy (DON'T GO ANYWHERE OUTSIDE THE TOWNS!11!!1!) for some reason. Don't ask why. X3
Although, it's amazing how you can hear someone crying from all the way across a lake... plotfail. XP