How many games are in the Call of Duty series?
4
3
3
3
3
3
5
4
3
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
6
4
3
2
5
1
6
4
3
2
5
1
6
4
3
2
5
1
6
4
7
3
2
5
1
6
4
7
3
2
5
1
6
4
7
2
5
1
6
4
7
2
5
1
6
4
7
2
8
5
1
6
4
7
2
8
5
1
6
9
4
7
2
8
1
10
6
9
7
2
8
1
10
6
9
7
8
1
10
6
9
7
8
1
10
11
6
9
7
8
1
10
11
6
13
9
7
8
1
10
11
6
13
9
7
8
16
1
10
11
12
6
13
9
7
8
16
1
10
11
12
6
13
9
7
8
16
1
10
11
12
6
13
9
7
8
16
1
10
11
12
6
13
9
7
8
16
1
11
3 games
112
3 games
128
4 games
3 games