Most people think so but it is not true
The first Call of Duty video game was relased October 29, 2003. The first Halo video game was released on November 15, 2001. Halo came first.
probably halo but call of duty is way more fun!
Coffee halo Call of Duty and stuff
halo reach
no
halo 3 ODST is better than call of duty waw
Call of Duty Black Ops Call of Duty modern warfare 2 Halo 3 halo reach
halo halo is awesome compared to call of duty its got better weapons and awesomer armor if it my opinion id say halo i dont know
HALO all the way.
Halo all the way!
Call of duty black ops call of duty modern warfare 2 halo 3 halo reach
Halo 3 is more popular then any Call Of Duty In fact, Halo 3 is the best selling FPS of all-time :\