You can also jump kick, which can take down many enemies at once, but some enemies can simply hit you out of mid-air without any way to dodge it whatsoever. And finally, there's the jump n' slash method. By pressing A then B quickly, your turtle will jump up and swipe the enemy with his weapon. One hit will kill most foot soliders. Plus there's almost no differentiation between the four turtles.
Bosses are another annoying aspect of the game.
Simply hitting them or using the jump n' slash just won't get you very far, as you'll get a hit or two in, then immediately get attacked, throwing you across the screen. So you have to resort to jump kicks. But like the foot soliders, the bosses often use attacks that stop your assault in mid-air, again sending you flying back with damage. The end battles with Krang and Shredder are just so annoying. Now that I'm finished bashing in the game mechanics, I may as well move on with the rest of the game.