Arcade light gun game by Namco. The game would be unremarkable apart from two features.

1. The game was split up into several stages, which had to be completed within a certain time limit.

2. You could duck behind objects 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.

Namco later improved on this formula with the excellent Time Crisis 2