Star Wars:1313 was played on PC during E3,
but it was never confirmed for PC.
It is the same deal with Metal Gear Solid: Ground Zeroes.
Dude. People who saw it live all reported that Hideo said the game was being shown on PC not PS3. Why would they develop the game to just show it on pc and not sell it?
You didn't watch the full trailer, didn't you?
The platform listings at the end of the trailer didn't list PC.