[Oni]

I've found that the newest games get the most hate. Which was your favorite? Mine was Call of Duty 2 or the original Black Ops.

[Skullmeat]

Call of Duty 3. Maybe World at War.

[Heaven]

Modern Warfare 2 and COD 4, easily the 2 best Call of Duty's.

[Customer]

Definitely COD4 and MW2. But just under that, is MW3 and BO1.

[zenith]

I personally liked Black Ops 2 a lot. I had a lot of fun with it. MW2 was good, but I wasn't really into cod then

Something about BO2 will stick with me forever

[insidious]

Call of Duty World At War or Call of Duty Black Ops

I can play those zombie modes for days on end

[Losi]

Cod w@w, cod4 (obviously), mw2.

[Aeolian]

The Black ops series have me still playing, Treyarch didn't disappoint many.

IMO, their the best.

[Queen]

Black Ops 2 and Modern Warfare 2.

[Bish0pQ]

I liked the Black Ops II zombie mode but the game I like most is COD:4, it just had a very nice gameplay, it's ashame they dropped the servers. If anyone still has a way to play this online, please contact me because it would be great.