Binding 4 keys to E and pressing it again gives the "game over" screen, even though
no actual game has been started.

Details can be seen on youtube:
1st) http://www.youtube.com/watch?v=OxvgqRrMp9o&t=11m30s
2nd) http://www.youtube.com/watch?v=OxvgqRrMp9o&t=13m20s