1. Opening
2. Mission 1 1 (Urban), 2 1 (Cave Entrance), 3 1 (Passage 1)
3. Mission 1 2 (Wasteland)
4. Mission 1 3 (Desert), 2 3 (Underground Lake), 3 3(Passage 2)
5. Mission 1 4 (Wetlands)
6. Mission 1 5 (Forest)
7. Mission 2 2 (Crystal)
8. Mission 2 4 (Underground Volcano)
9. Mission 2 5 (Undersea Passage)
10. Mission 3 2 (Depot)
11. Mission 3 4 (Plant)
12. Mission 3 5 (Core)
13. Boss
14. Intermission (Provisional Ending)
15. Pursuit Preparation (Intermission 2) ~ Mission 4 1 (Enemy Giant Battleship)
16. Mission 4 2 (Battleship Inside)
17. Ending