Ok so I've just completed the game, and I was looking for achievements that I hadn't finished yet. The only one I had left was "Hungry?", which consists on shooting Yellow Eco to rats USING THE TOUCH SCREEN.
Well.. I didn't even know that I could use touch screen in this game lol, anyway I obviously had already passed that part long ago, and obviously had I used the X button, as usual.
What a surprise when, after I've completed the game, I go back to that part so that I can play that minigame again, and I realise there's no way I can play it again... ever.
Seriously? 99%.. ok.