SP Stage: Operation X
Successfully complete all missions and mission branches to unlock Stage: Operation X.
Stage 03B: Captive City
Successfully complete Stage 05 or 06 before 04 to unlock Stage 03B: Captive City.
Stage 07C: Time Limitt
Successfully complete Stages 07, 09, 11, and 07C in that order to unlock Stage 07C: Time Limit.
Stage 12C: Wild Card