Arcade light gun
game by Namco
. The game would be unremarkable
apart from two features
The game was split up into several stages, which had to be completed within a certain time limit.
You could duck
in every stage
. This was accomplished by releasing
your foot off a pedal
. When you did this, you automatically reloaded
and were invulnerable to enemy fire.
later improved on this formula with the excellent Time Crisis 2