Complete the following tasks for each character in Official mode to unlock the corresponding alternate movie ending at the "Gallery" menu.

Alternate movie ending	How to unlock
A World of Newtypes	Make all playable characters in Mission mode either Newtypes or Cyber-Newtypes.
Amuro (Encounters in Space)	Do not let Kai or Hayato to be defeated.
Amuro (Escape)	Allow Kai and Hayato to be defeated before completing the mission.
Char (At the End of the Battle)	Let Kamille talk to Scirocco before defeating him.
Char (Prelude to Counterattack)	Defeat Scirocco before Kamille talks to him.
Judau (A New Journey)	Defeat Haman after their conversation ends.
Judau (Meeting Again)	Defeat Haman before their conversation ends.
Kamille (Love is the Pulse of the Stars)	Save Radish from Yazan, save Emma from Reccoa, and allow Colony Laser to fire.