After three great games on the PS1 and the advent of the PS2, Fromsoft decided it was time to take AC to the next generation. Instead of trying to reinvent the wheel, however, they opted to refine AC1's ideas and introduce some new ones. There's a lot more mechanics to play around with this time around; you've got to manage your heat levels now to prevent overheating damage, you can now , you can overboost around at high speeds (if you manage your energy), which adds a bit more depth to AC fights, and there's a bunch of new part types. Of course, we're creatures of habit, so I was perfectly content replicating and upgrading my AC from the PS1 games, and calling it "Gravity Mk. II" (which made me feel pretty cool).