Dynasty Warriors: Gundam 2 Cheats

Mission Mode: 15 Characters (25): Clear Mission Mode using 15 or more characters. Data must be saved to unlock this achievement.
Mission Mode: 5 Characters (25): Clear Mission Mode using 5 or more characters. Data must be saved to unlock this achievement.
Mission Mode: All Characters (50): Clear Mission Mode using all characters. Data must be saved to unlock this achievement.
Mobile Suit Gallery Complete (25): Unlock all Mobile Suits in the Mobile Suit Gallery. Data must be saved to unlock this achievement.
Movie Gallery Complete (25): Unlock all Movies in the Movie Gallery. Data must be saved to unlock this achievement.
Official Mode: 1 Character (25): Clear Official Mode using 1 or more characters. Data must be saved to unlock this achievement.
Official Mode: All Characters (50): Clear Official Mode using all characters. Data must be saved to unlock this achievement.
Pilot Level Max (25): Attain a Pilot Level of 50 for at least 1 character. Data must be saved to unlock this achievement.
Total Shot Down 10000 (25): Shoot down 10000 total enemies. Data must be saved to unlock this achievement.
Total Shot Down 100000 (50): Shoot down 100000 total enemies. Data must be saved to unlock this achievement.

Unlocking Characters in Mission Mode
Cecily Fairchild: Finish Seabook Arno's story missions
Dozle Zabi: Accept invitation to join Zeon and clear the missions given
Four Murasame: Finish Kamille Bidan's story missions and read the new mail to unlock Four's friendship mission; clear it
Glemy Toto: Agree to help Glemy establish his own faction while joining Axis, and clear the mission given
Gym Ghingnham: After joining Dianna Counter, have at least normal relations with Gym and he will send a mail; read and clear the mission given
Gyunei Guss: Play as Quess Paraya, and read Gyunei's mail to unlock his friendship mission; clear it
Hayato Kobayashi: Have good relations with Hayato and clear his friendship mission
Kai Shiden: Have good relations with Kai and then clear his friendship mission
Katejina Loos: Have good relations with Katejina and read her mail to unlock her friendship missions; V2 Gundam license is required to clear them
Lacus Clyne: Clear Kira Yamato & Athrun Zala's story missions, and read Lacus' mail in Kira's terminall; clear the mission given
Lunamaria Hawke: Clear Shinn Asuka's story mission and read Lunamaria's mail; Zaku II CA license is required to clear the mission
M'Quve: Read a request mail from Kycillia while joining Zeon and clear the mission given
Quess Paraya: Play as a non-Newtype, build up relation with Quess until you receive mail from her, then make the character a Newtype
Ramba Ral: Read a request mail from Dozle while joining Zeon and clear the mission given; also need to befriend Ramba Ral first
Reccoa Londe: Play as Yazan Gable and shoot down Reccoa in any mission
Rosamia Badam: Have best relations with Kamille after joining AEUG, then read his mail and clear the mission given
Sarah Zabiarov: Have good relations with Sarah and Scirocco, bad relations with Reccoa, then read Sarah's mail and clear the mission given
Sleggar Law: Play as a female character, have good relations with Sleggar, and then read his mail to unlock his friendship mission; clear it
Yazan Gable: Have good relations with Yazan after joining Titans, read his mail and clear the test mission given

Unlocking Characters in Story Mode
Amuro Ray: Finish Amuro Storyline in story mode
Char Aznable: Finish Char Storyline in story mode
Judau Ashta: Finish Judau Storyline in story mode
Kamille Vidan: Finish Kamille Storyline in story mode

Alternative Costumes
Beat mission mode as the following characters to be able to select alternative costumes for those characters (selectable by highlighting a character with a customer in the character select screen and pressing Y):

Laura Rolla: Beat all 5 story missions in mission mode using Loran Cehack
Zech Merquise: Beat all 5 story missions in mission mode using Milliardo Peacecraft

Unlock Alternate Menu Screen
Beat Official Mode as Amuro Ray (CCA Version) and a new menu screen will appear.

Unlock Alternate Movie Endings in Gallery Mode
Complete the following for each character in Official Mode to unlock alternate movie endings in Gallery Mode.

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

Unlock Hidden Missions in Mission mode
Complete the following to unlock these missions:

Forced Evolution: Complete any five missions in mission mode
Yazan's Crew Test: Read Yazan's Terminal message as a current (not former) member of Titans

Unlock Dynasty Warriors: Gundam Quiz 2: Expert Terminal Message
Under the Free mission category for any character in Mission mode, unlock and complete the missions "200 Total Missions Completed" and "40,000 Total Enemies Shot Down" and you will receive the quiz in Terminal.

Unlock Rank 4 Parts for all Class 1 Mobile Suits
Play as any character in Mission mode and complete the mission "The True Dynasty Warriors: Gundam", then view the accompanying Terminal message afterwards.