OG1 Secrets

OG1 Secret Units

Units	Requirements
Gespenst-R	On Kyosuke route, make sure Gilliam is at least level 23 by stage 20. Gilliam will appear with Gespenst R in stage 31.
Gespenst Mk-II Type S	On Ryusei route stage 30, destroy the R-GUN. Viletta will sortie in it on stage 40.
Guarlion	Have either Tasuku or Rai destroy Leona on stage 24.
Huckebein 008L	On Ryusei route, Ingram has to be at level 32 or above before stage 30. Ring will sortie in it on stage 37. On Kyosuke route, Viletta has to be at level 23 or above before stage 20. Viletta will sortie in it on stage 37.
Grungust Unit 2	Don't fulfill the requirements for Huckebein 008L. On Kyosuke route, Viletta will sortie in it. On Ryusei route, Ring will sortie in it.
Valcion Kai	Get the skill point (battle mastery) in stage 28.
R-GUN	On stage 30 (either route) you must destroy R-GUN when Ingram betrays you. You will then keep R-GUN.

OG1 Secret Weapons

Weapons	Requirements
Shishioh Blade	On Kyosuke route, Kyosuke must have at least 70 kills by the end of stage 26, and you must have at least 23 Battle Masteries. Received after stage 26. On Ryusei route, Ryusei must have at least 50 kills by the end of stage 26, and you must have at least 23 Battle Masteries. Received after stage 26.
Graviton Launcher	On Kyosuke route, Ryusei must have at least 55 kills by the end of stage 31, and you must have at least 29 Battle Masteries. Received after stage 31. On Ryusei route, Kyosuke must have at least 55 kills by the end of stage 31, and you must have at least 29 Battle Masteries. Received after stage 31.

OG1 Secret Parts

Weapons	Requirements
Hero's Mark	On Kyosuke route, Lefina must be at level 35 or above by the end of stage 34, and you must have at least 27 Battle Masteries. Received after stage 34. On Ryusei route, Daitetsu must be at level 35 or above by the end of stage 34, and you must have at least 27 Battle Masteries. Received after stage 34.
Soul of Steel	On Kyosuke route, Daitetsu must be at level 38 or above by the end of stage 37, and you must have at least 30 Battle Masteries. Received after stage 37. On Ryusei route, Lefina must be at level 38 or above by the end of stage 37, and you must have at least 30 Battle Masteries. Received after stage 37.

OG2 Secrets

OG2 Secret Units

Units	Requirements
Ashsaber	On stage 17 (Ethiopia Route) or stage 20 (Moon Route) move Lamia to the square where Echidna retreated within the same turn. On stage 26 Lamia must have exactly two battle encounters with Axel. Lamia must have 55 kills before the end of stage 31. Lamia will sortie in the Ashsaber on stage 35.
Vaisaga	On stage 17 (Ethiopia Route) or stage 20 (Moon Route) move Lamia to the square where Echidna retreated within the same turn. On stage 26 Lamia must have exactly one battle encounters with Axel. Lamia must have 55 kills before the end of stage 31. Lamia will sortie in the Vaisaga on stage 35.
Huckebein Mk-III Type R	Ratsel must have 35 kills by the end of stage 25. Next, you must get stage 37's skill point (battle mastery). Lastly, Bullet, Kusuha, Ryoto, Rio, Tasuku and Leona must have at least a combined level total of 185 before the end of stage 40. You will receive it before stage 42 (Earth Cradle Route) or after stage 44 (Moon Route)
Gespenst Mk-II Type S	Kai must have 55 kills and be level 33 by stage 40. You will receive it before stage 42 (Moon Route) or after stage 44 (Earth Cradle Route).
Wildwurger Type L	On stage 26, Arado must destroy at least 4 Gespensts before moving next to Seolla (or before Seolla moves next to him). Arado must have 55 kills by the end of stage 33. On stage 34 Mai will sortie in the Wild Wurger Type L, and to keep it she must defeat 5 enemies before player reinforcements arrive (on Turn 5).

OG2 Secret Weapons

Weapons	Requirements
Shishioh Blade #1	Bullet must have 45 or more kills and at least level 18 by the end of stage 20. It will be received at the end of stage 24.
Shishioh Blade #2	On stage 22 destroy all three Inspectors, leaving Mekibos for last.
Graviton Launcher	On stage 11 Viletta must kill all enemy units except Seolla, Yuki, and Carla. On stage 22, it will be equipped on her Gespenst Mk-II Type R.
Boost Hammer	On stage 23, Arado must destroy all Gunsects on his own within 4 turns.
G-Impact Hammer #1	On stage 22 destroy all three Inspectors, leaving Mekibos for last.
G-Impact Hammer #2	On stage 37, Dygenguard must not kill any enemies. Received before stage 42
Neo Chakram Shooter	On stage 37, Dygenguard must not kill any enemies. Received before stage 42

OG2 Secret Parts

Weapons	Requirements
Soul of Steel	On stage 22 destroy all three Inspectors, leaving Mekibos for last.
Hero's Mark	On stage 22 destroy all three Inspectors, leaving Mekibos for last.
Custom CPU	On stage 22 destroy all three Inspectors, leaving Mekibos for last.