Start the "SPIRIT" game. Press START > Continue Game > and then enter one of the following passwords of your choice. (A - Select, B - Cancel)

The Prairie Part I - FdCMLzytkjClvr
The Prairie Part II - HdCFyCvtcgClvc
The Prairie Complete - DdCtGDvtrjCMxG

The Forest Part I - ydCLLHvtsbCKzr
The Forest Part II - BdCBDFvttbCLGm
The Forest Complete - BHswylmkqbsMMr

The Desert Part I - LHswxnmkrdCMnh
The Desert Part II - NHspxmpkrdCMdz
The Desert Complete - JHjwwmpkrdCLGw

Cliffs and Caves Part I - DHjBBqpkrdCMHr
Cliffs and Caves Part II - GHjtyqmkrdCMHm
Cliffs and Caves Complete - cNjwwlmkrdCMxh

Fort Complete/Final Chase - hNjDFnmkrbCMnw