....................... OGs 1/2 --> OGs 2/2 --> OG Gaiden --> OG2nd 1/3 --> OG2nd 2/3 --> OG2nd 3/3 -->
|_MSKS 1/2_|.......................................................................................|_MSKS 2/2_|...........................MSKS II, MSKS III, MSKS IV
....................................................................................|____OG Dark Prison____________|
........................................|_______Mugen_______|
..................................................................................|_ACE-R_|
..................................................................................|______EXCEED______|
....................................................................................................................................................................PXZ