Defeat Opus
Defeat Immotus as the Structor
Survive Opus
The Abstract is saved!
Defeat Irae and clear level A10
Have every upgrade as Forte.
Defeat King Fracko
Tell Irae about his structor's fate, and get the good end
Defeat the Central Prossesor
Get all eight health upgrades
Defeat Securitas Circulus
Defeat Immotus as Irae
Defeat Immotus as Opus
Defeat Vigor and clear level B10
The Structor didn't make it...