Metal Gear Ac!d²

What happened after the first Metal Gear Ac!d is somewhat left for open discussion as Snake is suffering from some serious amnesia right from the game start. He doesn't know much about his past, but is well aware of his skills, as are his newly acquired companions. Returning back to the US from a mission well done, his only hope is that he'll start remembering his past as he steps on a friendly soil. But instead of having some time to do so, an FBI agent takes him and his friends into custody, l...