How many Call of Duty games do not feature zombies?
1
1
1
1
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
4
3
1
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
0
3
5
2
4
0
3
5
2
4
0
3
5
2
4
3
5
4
0
3
5
4
6
3
5
4
6
3
5
4
6
7
3
5
4
6
7
5
4
6
7
5
4
6
7
5
4
6
7
5
4
6
7
8
5
6
7
8
5
9
6
10
7
8
9
6
10
7
8
9
6
10
11
7
8
9
6
10
11
7
8
9
6
10
11
7
8
9
6
10
11
7
8
9
6
10
11
7
8
9
6
10
11
7
8
13
9
6
10
11
12
7
8
13
9
6
10
11
12
7
8
13
9
6
10
11
12
7
8
13
ONE
ONE
112
ONE
112
ONE
112