《BHUC》相关：为什么我完成了威斯克北极基地A章后，B章没有出现？？？？？？

引自Gamefaqs

Unlock Extra Scenarios

To unlock the extra sub-scenarios you need to complete certain scenarios with certain ranks.
Unlockable        How to Unlock
Beginnings 1        Beat Train Derailment 3
Beginnings 2        Beat Beginnings 1
Dark Legacy 1        Complete Fall Of Umbrella 3
Dark Legacy 2        Complete Death's Door and Nightmare 2
Death's Door        Beat Raccoon's Destruction 3 with an A rank
Fourth Survivor        Complete Dark Legacy 2
Nightmare 1        Complete Mansion Incident 1
Nightmare 2        Beat Nightmare 1
Rebirth 1        Beat Mansion Incident 3
Rebirth 2        Beat Rebirth 1
The 4th Survivor        Beat Dark Legacy 2

Contributed By: darkvoid2100, SnakesOnaCrab