Atom football is formatted as 10 a side football. Due to the age group and the number of players it is played a smaller width but full length field. 
Atom has some extra rules that apply to it also:

1. No Rush on any Kick other than Kick off.

2. QB is not allowed to cross the line of scrimmage with the ball unless under pressure.

3. Only Down D-lineman are allowed to enter the "Tackle Box" to actively seek the QB