Super Robot Wars/Compact 2.2/Secrets
Obtained in this game
Extra V-Up Unit
Part 1: In Stage 1-6 defeat Bandock (Butcher). He leaves when HP < 30% or at the start of turn 5.
Stage 2-3: Carry over data from Part 1. Received after clearing stage 2-3.
Dangaioh's Spiral Knuckle OR Aizam The Third (Shazara)
Stage 3-1: Reduce Shazara HP below 30%, then convince her with Dangaioh's Roll to recruit her, she will immediately join. Or defeat her with Dangaioh to acquire Spiral Knuckle attack.
Zeong
Stage 4-2: If by turn 12 enemy phase Mega Borg Benmel is still alive, Zeong will be deployed. Defeat it with Quattro. You will receive it after the stage.
Super Gundam
Stage 4-4: Clear the stage as 4th or 5th. Burning's Gundam Mk II will be upgraded to Super Gundam before the start of stage 4-6.
Aggressive Beast (Dancouga)
Part 1: Upgrade all of Dancouga's stats and weapons at least once (Dancouga leaves permanently before the start of stage 1-6).
Stage 4-6: Carry over data from Part 1. Dancouga will get this attack before this stage.
Jingi Mark II (Kina, Koron)
Stage 5A-2 (A Route): Convince Kina with Rom (unconfirmed if this step is required).
Stage 6-6: Do not attack the Jingi Mark II, defeat or make Diondra escape, then convince Kina with Rom, they will immediately join.
High Mobility Zaku
Stage 5-4: Carry over data from Part 1. If you got the Full Armor Gundam during Part 1, you will receive this before the start of the stage.
Elpeo Puru
Part 1: In Stage 3-4, convince Reika, Beauty, and Toppo with Banjo, then shoot them down (using anyone). If Mega Borg Milene is still alive, she will deploy Puru. Defeat Puru.
Stage 5-4: Carry over data from Part 1. She will join before the start of the stage.
Note that Puru and Puru Two are mutually-exclusive.
Puru Two
Stage 6-2: If you didn't get Puru, convince Puru 2 with Judau twice, she will immediately join.
Obtained in Part 3
Part 1: In Stage 6-2, allow Glemmy to retreat (by playing stage 6-2 after 6-3).
Part 2: In Stage 4-6, fight Gato with Kou, and then convince Gato with Quattro.
Part 3: In Stage 5-3, have Quattro and then Kou convince Gato.
Scene 7 (Compact 2-3)
Part 1, 2, 3: Transfer save data from Part 1 to Part 2 and then Part 3. Clear Part 3 stage 6-4 with a final turn count of 777 or less.
