Super Robot Wars/XO/Secrets

Secrets

Unlockable	Condition to Unlock
Aina Sahalin Apsalus II GM Sniper II	In Sub Scenario 15, you must convince Aina with Shiro BEFORE destroying the Zanzibar. You will obtain the Apsalus II afterwards. In Scenario 20, Aina will join, and deploy in a GM Sniper II
Bernard "Bernie" Wiseman Zaku II Kai GM Sniper II	In Sub Scenario 17, destroy the Arms, Legs, and Head of Bernie's unit. You will obtain the Zaku II Kai afterwards In Scenario 20, Bernie will join, and deploy in a GM Sniper II
Extra Bat-Shu & 10000 Funds	In Sub Scenario 21, complete the stage in 7 turns 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. You will lose Aphrodite A Aphrodite A will return after stage 38
Great Mazinger (New)	Complete Sub Scenario 33. Tetsuya and Great Mazinger will leave during the stage. Tetsuya will return on stage 38, his machine will have combination attacks with Mazinkaiser and Shin Getter Robo, and all around upgrades. Note: this is not a different unit, but an upgrade to the existing Great Mazinger (Shin, in this case, meant New, not True)
Layzner Mk-2	If Eiji has over 104 kills at the start of Scenario 34, you will be offered a choice between Enhanced Layzner or Layzner Mk-2. If you do not have 104 kills he will receive Enhanced Layzner automatically.
Four Murasame and Re-GZ	Complete Sub Scenario 34.
Dragoons (x3)	Complete Sub Scenario 34 a second time.
Sazabi	Destroy the base's gate in Sub Scenario 39 in five turns or less. This does not work in subsequent replays.
Puru 2 and Queen Mansa	Destroy the Queen Mansa's Arms, Legs and Head, then have Judau convince Puru 2. You will receive her custom Quebeley Mk-II upon success To obtain the Queen Mansa, ONLY Judau can destroy the Legs, Arms, and Head. Other units can deal damage normally, but Judau must register the parts' destruction.
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	Previously complete Sub Scenario 45, and complete Sub Scenario 48.