Ask them.
Largely, it depends on the standing of the parents on whether or not their 9 year old should play Call of Duty or not. It should also be noted that the modern Call of Duty series is rated "M" for Mature 17+. This rating is not posted on the original Call of Duty, Call of Duty 2, Call of Duty: United Offensive, or Call of Duty 3 - in which are rated "T" for Teens.
You don't... Get your nan to get it... :)
beg and plead!
call of duty finest hour call of duty 2 call of duty 3 call of duty world at war call of duty black ops call of duty 4 modern warfare call of duty modern warfare 2 call of duty modern warfare 3
the call of duty games for wii are call of duty world at war,call of duty modern warefare and call of duty black ops
Call of Duty Call of Duty Big Red One Call of Duty 2 Call of Duty 3 Call of Duty 4: Modern Warfare Call of Duty: World at War Call of Duty: Modern Warfare 2 Call of Duty: Black Ops Call of Duty: Modern Warfare 3
Call of Duty classic Call of Duty 4 Modern Warfare Call of Duty World at War Call of Duty Modern Warfare 2 call of duty black ops call of duty modern warfare 3
Call of Duty in 2003
call of duty 2
on PS2 the call of duty games are:Call of duty; No it was not on PS2 only Call of Duty Finest HourCall of duty 2: big red 1;Call of duty: finest hour;Call of duty 3;call of duty 4 Modern Warfare No it was not on PS2call of duty 5 ant on ps2but Call of Duty World at War Final Fronts is and there was never a COD 5
EC (early childhood). Parents would find nothing inappropriate about this game
Call of Duty 1, Call of Duty 2, Call of Duty 3, Call of Duty 4 Modern Warfare, Call of Duty World at War, Call of Duty Modern Warfare 2, Call of Duty Modern Warfare 3, Call of Duty Black Ops, Call of Duty Black Ops 2, Call of Duty Ghosts, Call of Duty Advanced Warfare coming soon on November 4th, 2014. Pre-order soon =D