Pick anything and be asked it cold, whether or not you owe it. Nothing here is unlocked by anything else.
Chapter 1
1.e4 c5 2.Nf3 Nc6 3.Bb5 g6
35 decisions · 7 rounds of 5
Chapter 2
1.e4 c5 2.Nf3 Nc6 3.Bb5 e6
38 decisions · 8 rounds of 5
Chapter 3
1.e4 c5 2.Nf3 Nc6 3.Bb5 Nf6
24 decisions · 5 rounds of 5
Black plays 4...Qc7
13 decisions · 3 rounds of 5
Black plays 4...g6
5 decisions · 1 round of 5
Black plays 4...Nd4
4 decisions · 1 round of 5
Black plays 4...d6
1 decision · 1 round of 5
Chapter 4
1.e4 c5 2.Nf3 Nc6 3.Bb5 d6
27 decisions · 6 rounds of 5
Black plays 4...Bd7
22 decisions · 5 rounds of 5
Black plays 4...Bg4
2 decisions · 1 round of 5
Black plays 4...Nf6
Black plays 4...e5
Chapter 5
1.e4 c5 2.Nf3 Nc6 3.Bb5 e5
19 decisions · 4 rounds of 5
Chapter 6
1.e4 c5 2.Nf3 Nc6 3.Bb5 Qb6
9 decisions · 2 rounds of 5