Super Robot Wars/GC/Secrets

Secrets

Unlockable	Condition to Unlock
Giant Karakuri Raijin-Oh	On Sub Scenario 9, allow Raijin-Oh to be destroyed. The kids will redeploy in Giant Karakuri Raijin-Oh at the top left of the map. When you get the Raijin-Oh Team permanently, it will come with them. It might be something you have to do in a first playthrough of the sub scenario (untested).
Aina Sahalin Extra Apsalus II	On the first playthrough of Sub Scenario 15, you must convince Aina with Shiro BEFORE destroying the Zanzibar. You will obtain an extra Apsalus II afterwards. Aina will join on Scenario 20.
Bernard "Bernie" Wiseman Extra Zaku II	On the first playthough of Sub Scenario 17, destroy the Arms, Legs, and Head of Bernie's unit and then speak to him with Chris. You will obtain a Zaku II and Bernie will join after Scenario 19.
Extra Bat-Shu	On the first playthrough of Sub Scenario 21, complete the stage in 7 turns or less to obtain an extra Bat-Shu.
Fa Yuiry and a Ground Type GM	Complete Sub Scenario 29.
Jack King & Mary King in Texas Mack	Complete Sub Scenario 32. Note that he will join you temporarily anyway for Mission 2.
Venus A	Complete Sub Scenario 33. Aphrodite A will turn into this.
Shin Great Mazinger	Complete Sub Scenario 33. Tetsuya and Great Mazinger will leave during the stage. When he returns later, his machine will have combination attacks with Mazinkaiser and all around upgrades.
Layzner Mk-II	When you play Scenario 34, if Eiji has over 20 kills at the start, you will be offered a choice between Enhanced Layzner or Layzner Mk-II. If you do not have 20 kills he will receive Enhanced Layzner automatically.
Four Murasame and Re-GZ	Complete Sub Scenario 34.
Dragoons (x3)	Complete Sub Scenario 34 again.
Full Armor Gundam frame for RX-78-2 Gundam	Complete Sub Scenario 38. This can then be equipped on the Gundam as a frame in the intermission menu.
Sazabi	On the first playthrough of Sub Scenario 39 destroy the base's gate in five turns or less.
Puru Two and Qubeley Mk-II (Puru Two Custom)	Fight Puru Two with Puru in Stage 41, then fight her with Judau twice. Judau must then destroy Puru Two (this can be during the second battle encounter). If done successfully, Puru Two and Puru will both leave the stage, and you will get her in the next intermission.
Nu Gundam	Complete Sub Scenario 42.
Daltanious Extra Attacks: Cannon Cubic and Blazing Cross Slash Attack	Complete Sub Scenario 45.
Daltanious Extra Attack: Hyperspace Energy Release	Complete Sub Scenario 48. Only available if you obtained the other two extra attacks for Daltanious.