They often do. The high-octane offenses benefit from several significant rule differences. A first down is 15 yards.
All players are eligible receivers.
The player receiving a direct snap from center can't scramble past the line of scrimmage until he passes or pitches the ball. Kicking the ball after a touchdown is worth two points, while conversion runs or passes are worth only one. Elsewhere, the clock runs regardless once a team is up by 45. Six-man football was sanctioned in the early 1970s for schools with fewer than 90 students. It's played throughout the United States, but mostly in the central plains, the Rocky Mountain states and in rural parts of Texas.