How many DuckTales games are there on the NES?
2
2
2
3
2
3
2
3
2
3
2
3
4
2
3
4
2
3
4
2
3
1
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
2
3
1
5
4
0
2
3
6
1
5
4
3
6
7
0
1
5
4
6
7
1
5
4
6
7
1
5
4
6
7
1
5
4
6
7
1
5
4
6
7
1
5
8
6
7
1
5
8
6
7
1
5
8
6
7
5
8
6
7
9
8
6
7
9
8
6
7
9
8
6
7
9
8
6
7
9
8
6
7
10
9
8
6
11
7
10
9
8
6
11
7
10
9
8
6
11
7
10
9
8
6
11
13
7
10
9
8
11
13
7
10
12
9
8
11
13
10
12
9
8
11
13
10
12
66
256
66
256
62
62
102