How many Call of Duty games are there?
24
4
4
4
4
5
4
5
4
5
4
3
5
4
3
5
8
4
3
5
8
4
3
5
8
7
4
3
5
8
7
4
6
3
5
8
7
4
6
3
2
5
8
7
4
6
3
2
5
8
7
4
6
3
2
1
5
8
7
4
6
3
2
1
5
8
7
4
6
3
9
2
1
5
8
7
4
6
3
10
9
2
ten
1
5
8
7
4
6
3
10
9
2
1
13
5
8
ten
7
4
6
3
10
9
2
1
13
5
8
7
6
ten
3
10
9
2
1
13
5
8
11
7
6
3
10
9
2
ten
1
13
5
8
11
7
62
6
3
10
9
25
2
1
0
13
5
8
11
ten
7
6
3
12
62
10
121
9
25
2
1
13
14
8
11
7
0
6
ten
3
12
10
9
25
2
1
13
62
121
14
8
11
7
6
3
12
0
10
9
25
2
20
ten
1
13
14
125
8
11
17
7
62
121