How many games in the Sonic the Hedgehog franchise were physically released on Sega Genesis / Mega Drive?
7
2
2
3
2
3
2
3
1
2
3
1
2
3
1
2
3
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
0
4
5
1
2
3
4
6
5
1
0
7
3
4
6
5
1
7
4
6
5
1
7
4
6
5
1
7
4
6
5
7
4
6
5
7
4
6
5
7
4
6
5
8
7
6
5
8
9
7
6
5
8
9
7
6
5
8
9
7
6
8
9
7
6
8
9
7
6
11
8
9
7
6
11
8
9
7
6
10
11
8
9
7
6
10
11
8
9
7
13
6
10
11
8
9
7
13
6
10
11
8
9
7
13
6
10
11
8
9
7
13
10
11
8
9
12
13
10
11
8
9
2 games
112
66
112
2 games