E3 2015 has proven itself to be one of the most exciting trade show events in recent memory, with huge titles like Fallout 4, Uncharted 4: A Thief’s End, and The Last Guardian setting out to prove that they were worth the wait. But these were all known quantities: the best E3 moments often come from the games we didn’t even know were being made. Though a complete out-the-blue surprise gets harder to pull off every year, a few titles at this year’s E3 made the most noise just by revealing they exist....