Complete the following task to unlock the corresponding mech characters. Note: There is more than one way to unlock certain mechs:
Atross On Stage 26, eliminate Atross with Iczer-3. Atross will join during the intermission after Stage 34.
Duel Gundam AS and Buster Gundam On Stage 6, place units on all six Meteor Breakers before the enemy units destroy them. They should become available during the intermission after Stage 33.
Ken and the Blade Gainer -Take the Godannar route after Stage 6, then destroy Lou with Goh or Anna on Stage 10A. Ken will join after the Stage 19 route split if you didn't take the Godannar route; or after Stage 22A.
-Take the Godannar route after Stage 19 and don't let Ken and Lou get destroyed until the Blade Gainer TDM appears on Stage 22A. He will become available after Stage 22A.
Michel Take the Macross route after Stage 28. On Stage 29A, have Michel destroy a minimum eight enemy units; your kill count must be less than 999 for this to happen. Michel will become available after the mission. Note: Klan will can pilot the VF-25G Messiah after Stage 29A if you did not unlock Michel.
Rey and the Legend Gundam On Stage 33, have Kira attack the Legend Gundam then destroy it with Shinn afterwards. Rey and the Legend Gundam should become available during the intermission after Stage 33.
Soubi and the Talisman -On Stage 12, have Kouichi take on Soubi or destroy the Glein-Neidr within seven turns.
-Do one of the following sub-tasks: 1 and 2, 1 and 4, or 3 and 4. Sub-task 1: Take the Linebarrels route after Stage 14 then destroy Soubi with Kouichi on Stage 15B. Task 2: Take the Linebarrels route after Stage 14 and destroy Soubi with Kouichi on Stage 16B. Task 3: Take the Linebarrels route after Stage 28 and have Kouichi fight Soubi two times on Stage 31B. Task 4: Have Kouichi persuade Soubi on Stage 33.
-On Stage 37, have Sawatari, Julianne or Wufei persuade Soubi. Note: Soubi can be eliminated by anyone. Note: Soubi and the Talisman join after Stage 37.
Stella Loussier Take the Gundam SEED route after Stage 14. On Stage 15A, have Shinn drop Stella below 10% HP. Stella will become available during the intermission before Stage 32.