Got the game yesterday, what a blast.
A few minor quirks, but the game is growing on me.
The game does have a learning curve and can be frustrating at times. But many times that frustration is due to the player. I know i was getting upset because i kept hitting L and R instead of ZL and ZR for unite guts and unite spring. So that is just a hump i have to get over.
But there was something frustrating that i had no control over. I believe its mission 001 - b Where you have to fight Laambo in the baseball field. Well after he leaves you have to destroy the cannon. An enemy comes out with a baseball bat and you are supposed to use it to hit the shots fired by the cannon back at the cannon. Well when i killed the enemy holding the baseball bat, the bat disappeared, and i had to reload my last save.